Finding the Third Proportional to 6,123,106,742,958 and 13,119,591,047,805

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123,106,742,958 : 13,119,591,047,805 = 13,119,591,047,805 : x
2. Step 2: Convert to fraction form
   6,123,106,742,958/13,119,591,047,805 = 13,119,591,047,805/x
3. Step 3: Cross multiply
   6,123,106,742,958x = 13,119,591,047,805 × 13,119,591,047,805
4. Step 4: Simplify right side
   6,123,106,742,958x = 172,123,669,261,645,084,465,561,600
5. Step 5: Solve for x
   x = 172,123,669,261,645,084,465,561,600/6,123,106,742,958
6. Step 6: Final answer
   x = 28,110,512,602,054.39