Finding the Third Proportional to 101,268 and 220,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,268 : 220,387.50 = 220,387.50 : x
2. Step 2: Convert to fraction form
   101,268/220,387.50 = 220,387.50/x
3. Step 3: Cross multiply
   101,268x = 220,387.50 × 220,387.50
4. Step 4: Simplify right side
   101,268x = 48,570,650,156.25
5. Step 5: Solve for x
   x = 48,570,650,156.25/101,268
6. Step 6: Final answer
   x = 479,624.86