Finding the Third Proportional to 657,610 and 1,434,370

Step by Step Solution

1. Step 1: Write the proportion equation
   657,610 : 1,434,370 = 1,434,370 : x
2. Step 2: Convert to fraction form
   657,610/1,434,370 = 1,434,370/x
3. Step 3: Cross multiply
   657,610x = 1,434,370 × 1,434,370
4. Step 4: Simplify right side
   657,610x = 2,057,417,296,900
5. Step 5: Solve for x
   x = 2,057,417,296,900/657,610
6. Step 6: Final answer
   x = 3,128,628.36