Finding the Third Proportional to 250,870.50 and 540,621

Step by Step Solution

1. Step 1: Write the proportion equation
   250,870.50 : 540,621 = 540,621 : x
2. Step 2: Convert to fraction form
   250,870.50/540,621 = 540,621/x
3. Step 3: Cross multiply
   250,870.50x = 540,621 × 540,621
4. Step 4: Simplify right side
   250,870.50x = 292,271,065,641
5. Step 5: Solve for x
   x = 292,271,065,641/250,870.50
6. Step 6: Final answer
   x = 1,165,027.64