Finding the Third Proportional to 657,477 and 890,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   657,477 : 890,959.50 = 890,959.50 : x
2. Step 2: Convert to fraction form
   657,477/890,959.50 = 890,959.50/x
3. Step 3: Cross multiply
   657,477x = 890,959.50 × 890,959.50
4. Step 4: Simplify right side
   657,477x = 793,808,830,640.25
5. Step 5: Solve for x
   x = 793,808,830,640.25/657,477
6. Step 6: Final answer
   x = 1,207,356.05