Finding the Third Proportional to 20,807.50 and 45,507.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,807.50 : 45,507.75 = 45,507.75 : x
2. Step 2: Convert to fraction form
   20,807.50/45,507.75 = 45,507.75/x
3. Step 3: Cross multiply
   20,807.50x = 45,507.75 × 45,507.75
4. Step 4: Simplify right side
   20,807.50x = 2,070,955,310.06
5. Step 5: Solve for x
   x = 2,070,955,310.06/20,807.50
6. Step 6: Final answer
   x = 99,529.27