Finding the Third Proportional to 54,141.75 and 78,752.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,141.75 : 78,752.25 = 78,752.25 : x
2. Step 2: Convert to fraction form
   54,141.75/78,752.25 = 78,752.25/x
3. Step 3: Cross multiply
   54,141.75x = 78,752.25 × 78,752.25
4. Step 4: Simplify right side
   54,141.75x = 6,201,916,880.06
5. Step 5: Solve for x
   x = 6,201,916,880.06/54,141.75
6. Step 6: Final answer
   x = 114,549.62