Finding the Third Proportional to 45,015.75 and 69,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,015.75 : 69,376.50 = 69,376.50 : x
2. Step 2: Convert to fraction form
   45,015.75/69,376.50 = 69,376.50/x
3. Step 3: Cross multiply
   45,015.75x = 69,376.50 × 69,376.50
4. Step 4: Simplify right side
   45,015.75x = 4,813,098,752.25
5. Step 5: Solve for x
   x = 4,813,098,752.25/45,015.75
6. Step 6: Final answer
   x = 106,920.33