Finding the Third Proportional to 657,607.50 and 1,434,366

Step by Step Solution

1. Step 1: Write the proportion equation
   657,607.50 : 1,434,366 = 1,434,366 : x
2. Step 2: Convert to fraction form
   657,607.50/1,434,366 = 1,434,366/x
3. Step 3: Cross multiply
   657,607.50x = 1,434,366 × 1,434,366
4. Step 4: Simplify right side
   657,607.50x = 2,057,405,821,956
5. Step 5: Solve for x
   x = 2,057,405,821,956/657,607.50
6. Step 6: Final answer
   x = 3,128,622.81