Finding the Third Proportional to 336,301.88 and 499,663.69

Step by Step Solution

1. Step 1: Write the proportion equation
   336,301.88 : 499,663.69 = 499,663.69 : x
2. Step 2: Convert to fraction form
   336,301.88/499,663.69 = 499,663.69/x
3. Step 3: Cross multiply
   336,301.88x = 499,663.69 × 499,663.69
4. Step 4: Simplify right side
   336,301.88x = 249,663,800,606.10
5. Step 5: Solve for x
   x = 249,663,800,606.10/336,301.88
6. Step 6: Final answer
   x = 742,380.04