Finding the Third Proportional to 72,055 and 106,216

Step by Step Solution

1. Step 1: Write the proportion equation
   72,055 : 106,216 = 106,216 : x
2. Step 2: Convert to fraction form
   72,055/106,216 = 106,216/x
3. Step 3: Cross multiply
   72,055x = 106,216 × 106,216
4. Step 4: Simplify right side
   72,055x = 11,281,838,656
5. Step 5: Solve for x
   x = 11,281,838,656/72,055
6. Step 6: Final answer
   x = 156,572.60