Finding the Third Proportional to 72,986,760 and 102,039,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,986,760 : 102,039,961.50 = 102,039,961.50 : x
2. Step 2: Convert to fraction form
   72,986,760/102,039,961.50 = 102,039,961.50/x
3. Step 3: Cross multiply
   72,986,760x = 102,039,961.50 × 102,039,961.50
4. Step 4: Simplify right side
   72,986,760x = 10,412,153,742,921,482
5. Step 5: Solve for x
   x = 10,412,153,742,921,482/72,986,760
6. Step 6: Final answer
   x = 142,658,116.94