Finding the Third Proportional to 74,410.88 and 175,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,410.88 : 175,621.50 = 175,621.50 : x
2. Step 2: Convert to fraction form
   74,410.88/175,621.50 = 175,621.50/x
3. Step 3: Cross multiply
   74,410.88x = 175,621.50 × 175,621.50
4. Step 4: Simplify right side
   74,410.88x = 30,842,911,262.25
5. Step 5: Solve for x
   x = 30,842,911,262.25/74,410.88
6. Step 6: Final answer
   x = 414,494.67