Finding the Third Proportional to 173,290.50 and 372,366

Step by Step Solution

1. Step 1: Write the proportion equation
   173,290.50 : 372,366 = 372,366 : x
2. Step 2: Convert to fraction form
   173,290.50/372,366 = 372,366/x
3. Step 3: Cross multiply
   173,290.50x = 372,366 × 372,366
4. Step 4: Simplify right side
   173,290.50x = 138,656,437,956
5. Step 5: Solve for x
   x = 138,656,437,956/173,290.50
6. Step 6: Final answer
   x = 800,138.71