Finding the Third Proportional to 657,940.50 and 1,434,870

Step by Step Solution

1. Step 1: Write the proportion equation
   657,940.50 : 1,434,870 = 1,434,870 : x
2. Step 2: Convert to fraction form
   657,940.50/1,434,870 = 1,434,870/x
3. Step 3: Cross multiply
   657,940.50x = 1,434,870 × 1,434,870
4. Step 4: Simplify right side
   657,940.50x = 2,058,851,916,900
5. Step 5: Solve for x
   x = 2,058,851,916,900/657,940.50
6. Step 6: Final answer
   x = 3,129,237.24