Finding the Third Proportional to 478,264.50 and 714,843

Step by Step Solution

1. Step 1: Write the proportion equation
   478,264.50 : 714,843 = 714,843 : x
2. Step 2: Convert to fraction form
   478,264.50/714,843 = 714,843/x
3. Step 3: Cross multiply
   478,264.50x = 714,843 × 714,843
4. Step 4: Simplify right side
   478,264.50x = 511,000,514,649
5. Step 5: Solve for x
   x = 511,000,514,649/478,264.50
6. Step 6: Final answer
   x = 1,068,447.51