Finding the Third Proportional to 45,178.50 and 60,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,178.50 : 60,376.50 = 60,376.50 : x
2. Step 2: Convert to fraction form
   45,178.50/60,376.50 = 60,376.50/x
3. Step 3: Cross multiply
   45,178.50x = 60,376.50 × 60,376.50
4. Step 4: Simplify right side
   45,178.50x = 3,645,321,752.25
5. Step 5: Solve for x
   x = 3,645,321,752.25/45,178.50
6. Step 6: Final answer
   x = 80,687.09