Finding the Third Proportional to 724,356 and 1,542,272

Step by Step Solution

1. Step 1: Write the proportion equation
   724,356 : 1,542,272 = 1,542,272 : x
2. Step 2: Convert to fraction form
   724,356/1,542,272 = 1,542,272/x
3. Step 3: Cross multiply
   724,356x = 1,542,272 × 1,542,272
4. Step 4: Simplify right side
   724,356x = 2,378,602,921,984
5. Step 5: Solve for x
   x = 2,378,602,921,984/724,356
6. Step 6: Final answer
   x = 3,283,748.49