Finding the Third Proportional to 103,140,870 and 154,711,320

Step by Step Solution

1. Step 1: Write the proportion equation
   103,140,870 : 154,711,320 = 154,711,320 : x
2. Step 2: Convert to fraction form
   103,140,870/154,711,320 = 154,711,320/x
3. Step 3: Cross multiply
   103,140,870x = 154,711,320 × 154,711,320
4. Step 4: Simplify right side
   103,140,870x = 23,935,592,536,142,400
5. Step 5: Solve for x
   x = 23,935,592,536,142,400/103,140,870
6. Step 6: Final answer
   x = 232,067,002.50