Finding the Third Proportional to 721,570 and 1,554,986

Step by Step Solution

1. Step 1: Write the proportion equation
   721,570 : 1,554,986 = 1,554,986 : x
2. Step 2: Convert to fraction form
   721,570/1,554,986 = 1,554,986/x
3. Step 3: Cross multiply
   721,570x = 1,554,986 × 1,554,986
4. Step 4: Simplify right side
   721,570x = 2,417,981,460,196
5. Step 5: Solve for x
   x = 2,417,981,460,196/721,570
6. Step 6: Final answer
   x = 3,351,000.54