Finding the Third Proportional to 353,695.25 and 763,672

Step by Step Solution

1. Step 1: Write the proportion equation
   353,695.25 : 763,672 = 763,672 : x
2. Step 2: Convert to fraction form
   353,695.25/763,672 = 763,672/x
3. Step 3: Cross multiply
   353,695.25x = 763,672 × 763,672
4. Step 4: Simplify right side
   353,695.25x = 583,194,923,584
5. Step 5: Solve for x
   x = 583,194,923,584/353,695.25
6. Step 6: Final answer
   x = 1,648,862.75