Finding the Third Proportional to 147,085.88 and 220,051.69

Step by Step Solution

1. Step 1: Write the proportion equation
   147,085.88 : 220,051.69 = 220,051.69 : x
2. Step 2: Convert to fraction form
   147,085.88/220,051.69 = 220,051.69/x
3. Step 3: Cross multiply
   147,085.88x = 220,051.69 × 220,051.69
4. Step 4: Simplify right side
   147,085.88x = 48,422,745,171.60
5. Step 5: Solve for x
   x = 48,422,745,171.60/147,085.88
6. Step 6: Final answer
   x = 329,214.11