Finding the Third Proportional to 81,912,382 and 175,981,184

Step by Step Solution

1. Step 1: Write the proportion equation
   81,912,382 : 175,981,184 = 175,981,184 : x
2. Step 2: Convert to fraction form
   81,912,382/175,981,184 = 175,981,184/x
3. Step 3: Cross multiply
   81,912,382x = 175,981,184 × 175,981,184
4. Step 4: Simplify right side
   81,912,382x = 30,969,377,122,041,856
5. Step 5: Solve for x
   x = 30,969,377,122,041,856/81,912,382
6. Step 6: Final answer
   x = 378,079,313.11