Finding the Third Proportional to 74,482.50 and 175,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,482.50 : 175,675.50 = 175,675.50 : x
2. Step 2: Convert to fraction form
   74,482.50/175,675.50 = 175,675.50/x
3. Step 3: Cross multiply
   74,482.50x = 175,675.50 × 175,675.50
4. Step 4: Simplify right side
   74,482.50x = 30,861,881,300.25
5. Step 5: Solve for x
   x = 30,861,881,300.25/74,482.50
6. Step 6: Final answer
   x = 414,350.77