Finding the Third Proportional to 747,434 and 1,120,055

Step by Step Solution

1. Step 1: Write the proportion equation
   747,434 : 1,120,055 = 1,120,055 : x
2. Step 2: Convert to fraction form
   747,434/1,120,055 = 1,120,055/x
3. Step 3: Cross multiply
   747,434x = 1,120,055 × 1,120,055
4. Step 4: Simplify right side
   747,434x = 1,254,523,203,025
5. Step 5: Solve for x
   x = 1,254,523,203,025/747,434
6. Step 6: Final answer
   x = 1,678,440.11