Finding the Third Proportional to 636,876 and 929,061

Step by Step Solution

1. Step 1: Write the proportion equation
   636,876 : 929,061 = 929,061 : x
2. Step 2: Convert to fraction form
   636,876/929,061 = 929,061/x
3. Step 3: Cross multiply
   636,876x = 929,061 × 929,061
4. Step 4: Simplify right side
   636,876x = 863,154,341,721
5. Step 5: Solve for x
   x = 863,154,341,721/636,876
6. Step 6: Final answer
   x = 1,355,294.19