Finding the Third Proportional to 220,842 and 476,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,842 : 476,655.50 = 476,655.50 : x
2. Step 2: Convert to fraction form
   220,842/476,655.50 = 476,655.50/x
3. Step 3: Cross multiply
   220,842x = 476,655.50 × 476,655.50
4. Step 4: Simplify right side
   220,842x = 227,200,465,680.25
5. Step 5: Solve for x
   x = 227,200,465,680.25/220,842
6. Step 6: Final answer
   x = 1,028,791.92