Finding the Third Proportional to 724,403 and 1,583,428

Step by Step Solution

1. Step 1: Write the proportion equation
   724,403 : 1,583,428 = 1,583,428 : x
2. Step 2: Convert to fraction form
   724,403/1,583,428 = 1,583,428/x
3. Step 3: Cross multiply
   724,403x = 1,583,428 × 1,583,428
4. Step 4: Simplify right side
   724,403x = 2,507,244,231,184
5. Step 5: Solve for x
   x = 2,507,244,231,184/724,403
6. Step 6: Final answer
   x = 3,461,117.96