Finding the Third Proportional to 45,022.50 and 75,039.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,022.50 : 75,039.75 = 75,039.75 : x
2. Step 2: Convert to fraction form
   45,022.50/75,039.75 = 75,039.75/x
3. Step 3: Cross multiply
   45,022.50x = 75,039.75 × 75,039.75
4. Step 4: Simplify right side
   45,022.50x = 5,630,964,080.06
5. Step 5: Solve for x
   x = 5,630,964,080.06/45,022.50
6. Step 6: Final answer
   x = 125,070.00