Finding the Third Proportional to 72,986,745 and 102,039,942

Step by Step Solution

1. Step 1: Write the proportion equation
   72,986,745 : 102,039,942 = 102,039,942 : x
2. Step 2: Convert to fraction form
   72,986,745/102,039,942 = 102,039,942/x
3. Step 3: Cross multiply
   72,986,745x = 102,039,942 × 102,039,942
4. Step 4: Simplify right side
   72,986,745x = 10,412,149,763,363,364
5. Step 5: Solve for x
   x = 10,412,149,763,363,364/72,986,745
6. Step 6: Final answer
   x = 142,658,091.73