Finding the Third Proportional to 45,643.50 and 62,579.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,643.50 : 62,579.25 = 62,579.25 : x
2. Step 2: Convert to fraction form
   45,643.50/62,579.25 = 62,579.25/x
3. Step 3: Cross multiply
   45,643.50x = 62,579.25 × 62,579.25
4. Step 4: Simplify right side
   45,643.50x = 3,916,162,530.56
5. Step 5: Solve for x
   x = 3,916,162,530.56/45,643.50
6. Step 6: Final answer
   x = 85,798.91