Finding the Third Proportional to 45,085.50 and 73,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,085.50 : 73,948.50 = 73,948.50 : x
2. Step 2: Convert to fraction form
   45,085.50/73,948.50 = 73,948.50/x
3. Step 3: Cross multiply
   45,085.50x = 73,948.50 × 73,948.50
4. Step 4: Simplify right side
   45,085.50x = 5,468,380,652.25
5. Step 5: Solve for x
   x = 5,468,380,652.25/45,085.50
6. Step 6: Final answer
   x = 121,289.12