Finding the Third Proportional to 45,148.50 and 60,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,148.50 : 60,400.50 = 60,400.50 : x
2. Step 2: Convert to fraction form
   45,148.50/60,400.50 = 60,400.50/x
3. Step 3: Cross multiply
   45,148.50x = 60,400.50 × 60,400.50
4. Step 4: Simplify right side
   45,148.50x = 3,648,220,400.25
5. Step 5: Solve for x
   x = 3,648,220,400.25/45,148.50
6. Step 6: Final answer
   x = 80,804.91