Finding the Third Proportional to 250,020 and 540,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,020 : 540,028.50 = 540,028.50 : x
2. Step 2: Convert to fraction form
   250,020/540,028.50 = 540,028.50/x
3. Step 3: Cross multiply
   250,020x = 540,028.50 × 540,028.50
4. Step 4: Simplify right side
   250,020x = 291,630,780,812.25
5. Step 5: Solve for x
   x = 291,630,780,812.25/250,020
6. Step 6: Final answer
   x = 1,166,429.81