Finding the Third Proportional to 20,870.25 and 45,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,870.25 : 45,028.50 = 45,028.50 : x
2. Step 2: Convert to fraction form
   20,870.25/45,028.50 = 45,028.50/x
3. Step 3: Cross multiply
   20,870.25x = 45,028.50 × 45,028.50
4. Step 4: Simplify right side
   20,870.25x = 2,027,565,812.25
5. Step 5: Solve for x
   x = 2,027,565,812.25/20,870.25
6. Step 6: Final answer
   x = 97,151.01