Finding the Third Proportional to 173,856.50 and 372,664

Step by Step Solution

1. Step 1: Write the proportion equation
   173,856.50 : 372,664 = 372,664 : x
2. Step 2: Convert to fraction form
   173,856.50/372,664 = 372,664/x
3. Step 3: Cross multiply
   173,856.50x = 372,664 × 372,664
4. Step 4: Simplify right side
   173,856.50x = 138,878,456,896
5. Step 5: Solve for x
   x = 138,878,456,896/173,856.50
6. Step 6: Final answer
   x = 798,810.84