Finding the Third Proportional to 19,909,507,306.50 and 42,658,833,945.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,909,507,306.50 : 42,658,833,945.94 = 42,658,833,945.94 : x
2. Step 2: Convert to fraction form
   19,909,507,306.50/42,658,833,945.94 = 42,658,833,945.94/x
3. Step 3: Cross multiply
   19,909,507,306.50x = 42,658,833,945.94 × 42,658,833,945.94
4. Step 4: Simplify right side
   19,909,507,306.50x = 1,819,776,113,627,112,407,040
5. Step 5: Solve for x
   x = 1,819,776,113,627,112,407,040/19,909,507,306.50
6. Step 6: Final answer
   x = 91,402,368,005.01