Finding the Third Proportional to 342,460.13 and 545,401.69

Step by Step Solution

1. Step 1: Write the proportion equation
   342,460.13 : 545,401.69 = 545,401.69 : x
2. Step 2: Convert to fraction form
   342,460.13/545,401.69 = 545,401.69/x
3. Step 3: Cross multiply
   342,460.13x = 545,401.69 × 545,401.69
4. Step 4: Simplify right side
   342,460.13x = 297,463,000,727.85
5. Step 5: Solve for x
   x = 297,463,000,727.85/342,460.13
6. Step 6: Final answer
   x = 868,606.24