Finding the Third Proportional to 132,668,253 and 287,067,510

Step by Step Solution

1. Step 1: Write the proportion equation
   132,668,253 : 287,067,510 = 287,067,510 : x
2. Step 2: Convert to fraction form
   132,668,253/287,067,510 = 287,067,510/x
3. Step 3: Cross multiply
   132,668,253x = 287,067,510 × 287,067,510
4. Step 4: Simplify right side
   132,668,253x = 82,407,755,297,600,096
5. Step 5: Solve for x
   x = 82,407,755,297,600,096/132,668,253
6. Step 6: Final answer
   x = 621,156,557.31