Finding the Third Proportional to 771,439 and 1,156,398

Step by Step Solution

1. Step 1: Write the proportion equation
   771,439 : 1,156,398 = 1,156,398 : x
2. Step 2: Convert to fraction form
   771,439/1,156,398 = 1,156,398/x
3. Step 3: Cross multiply
   771,439x = 1,156,398 × 1,156,398
4. Step 4: Simplify right side
   771,439x = 1,337,256,334,404
5. Step 5: Solve for x
   x = 1,337,256,334,404/771,439
6. Step 6: Final answer
   x = 1,733,457.00