Finding the Third Proportional to 721,596 and 1,557,600

Step by Step Solution

1. Step 1: Write the proportion equation
   721,596 : 1,557,600 = 1,557,600 : x
2. Step 2: Convert to fraction form
   721,596/1,557,600 = 1,557,600/x
3. Step 3: Cross multiply
   721,596x = 1,557,600 × 1,557,600
4. Step 4: Simplify right side
   721,596x = 2,426,117,760,000
5. Step 5: Solve for x
   x = 2,426,117,760,000/721,596
6. Step 6: Final answer
   x = 3,362,155.22