Finding the Third Proportional to 342,461.67 and 743,280.05

Step by Step Solution

1. Step 1: Write the proportion equation
   342,461.67 : 743,280.05 = 743,280.05 : x
2. Step 2: Convert to fraction form
   342,461.67/743,280.05 = 743,280.05/x
3. Step 3: Cross multiply
   342,461.67x = 743,280.05 × 743,280.05
4. Step 4: Simplify right side
   342,461.67x = 552,465,228,082.50
5. Step 5: Solve for x
   x = 552,465,228,082.50/342,461.67
6. Step 6: Final answer
   x = 1,613,217.69