Finding the Third Proportional to 458,134.50 and 718,092

Step by Step Solution

1. Step 1: Write the proportion equation
   458,134.50 : 718,092 = 718,092 : x
2. Step 2: Convert to fraction form
   458,134.50/718,092 = 718,092/x
3. Step 3: Cross multiply
   458,134.50x = 718,092 × 718,092
4. Step 4: Simplify right side
   458,134.50x = 515,656,120,464
5. Step 5: Solve for x
   x = 515,656,120,464/458,134.50
6. Step 6: Final answer
   x = 1,125,556.19