Finding the Third Proportional to 101,115 and 220,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,115 : 220,164.50 = 220,164.50 : x
2. Step 2: Convert to fraction form
   101,115/220,164.50 = 220,164.50/x
3. Step 3: Cross multiply
   101,115x = 220,164.50 × 220,164.50
4. Step 4: Simplify right side
   101,115x = 48,472,407,060.25
5. Step 5: Solve for x
   x = 48,472,407,060.25/101,115
6. Step 6: Final answer
   x = 479,378.99