Finding the Third Proportional to 355,114.13 and 499,501.69

Step by Step Solution

1. Step 1: Write the proportion equation
   355,114.13 : 499,501.69 = 499,501.69 : x
2. Step 2: Convert to fraction form
   355,114.13/499,501.69 = 499,501.69/x
3. Step 3: Cross multiply
   355,114.13x = 499,501.69 × 499,501.69
4. Step 4: Simplify right side
   355,114.13x = 249,501,935,815.35
5. Step 5: Solve for x
   x = 249,501,935,815.35/355,114.13
6. Step 6: Final answer
   x = 702,596.48