Finding the Third Proportional to 38,288,789 and 81,959,662

Step by Step Solution

1. Step 1: Write the proportion equation
   38,288,789 : 81,959,662 = 81,959,662 : x
2. Step 2: Convert to fraction form
   38,288,789/81,959,662 = 81,959,662/x
3. Step 3: Cross multiply
   38,288,789x = 81,959,662 × 81,959,662
4. Step 4: Simplify right side
   38,288,789x = 6,717,386,195,154,244
5. Step 5: Solve for x
   x = 6,717,386,195,154,244/38,288,789
6. Step 6: Final answer
   x = 175,440,027.50