Finding the Third Proportional to 357,574.50 and 744,552

Step by Step Solution

1. Step 1: Write the proportion equation
   357,574.50 : 744,552 = 744,552 : x
2. Step 2: Convert to fraction form
   357,574.50/744,552 = 744,552/x
3. Step 3: Cross multiply
   357,574.50x = 744,552 × 744,552
4. Step 4: Simplify right side
   357,574.50x = 554,357,680,704
5. Step 5: Solve for x
   x = 554,357,680,704/357,574.50
6. Step 6: Final answer
   x = 1,550,327.78