Finding the Third Proportional to 350,023.50 and 763,399.69

Step by Step Solution

1. Step 1: Write the proportion equation
   350,023.50 : 763,399.69 = 763,399.69 : x
2. Step 2: Convert to fraction form
   350,023.50/763,399.69 = 763,399.69/x
3. Step 3: Cross multiply
   350,023.50x = 763,399.69 × 763,399.69
4. Step 4: Simplify right side
   350,023.50x = 582,779,082,875.10
5. Step 5: Solve for x
   x = 582,779,082,875.10/350,023.50
6. Step 6: Final answer
   x = 1,664,971.30