Finding the Third Proportional to 345,456.56 and 747,500.06

Step by Step Solution

1. Step 1: Write the proportion equation
   345,456.56 : 747,500.06 = 747,500.06 : x
2. Step 2: Convert to fraction form
   345,456.56/747,500.06 = 747,500.06/x
3. Step 3: Cross multiply
   345,456.56x = 747,500.06 × 747,500.06
4. Step 4: Simplify right side
   345,456.56x = 558,756,343,437.50
5. Step 5: Solve for x
   x = 558,756,343,437.50/345,456.56
6. Step 6: Final answer
   x = 1,617,443.13