Finding the Third Proportional to 54,072,246 and 83,780,028

Step by Step Solution

1. Step 1: Write the proportion equation
   54,072,246 : 83,780,028 = 83,780,028 : x
2. Step 2: Convert to fraction form
   54,072,246/83,780,028 = 83,780,028/x
3. Step 3: Cross multiply
   54,072,246x = 83,780,028 × 83,780,028
4. Step 4: Simplify right side
   54,072,246x = 7,019,093,091,680,784
5. Step 5: Solve for x
   x = 7,019,093,091,680,784/54,072,246
6. Step 6: Final answer
   x = 129,809,534.67