Finding the Third Proportional to 175,327.50 and 383,643

Step by Step Solution

1. Step 1: Write the proportion equation
   175,327.50 : 383,643 = 383,643 : x
2. Step 2: Convert to fraction form
   175,327.50/383,643 = 383,643/x
3. Step 3: Cross multiply
   175,327.50x = 383,643 × 383,643
4. Step 4: Simplify right side
   175,327.50x = 147,181,951,449
5. Step 5: Solve for x
   x = 147,181,951,449/175,327.50
6. Step 6: Final answer
   x = 839,468.72