Finding the Third Proportional to 721,606.50 and 1,566,180

Step by Step Solution

1. Step 1: Write the proportion equation
   721,606.50 : 1,566,180 = 1,566,180 : x
2. Step 2: Convert to fraction form
   721,606.50/1,566,180 = 1,566,180/x
3. Step 3: Cross multiply
   721,606.50x = 1,566,180 × 1,566,180
4. Step 4: Simplify right side
   721,606.50x = 2,452,919,792,400
5. Step 5: Solve for x
   x = 2,452,919,792,400/721,606.50
6. Step 6: Final answer
   x = 3,399,248.47