Finding the Third Proportional to 72,263.25 and 111,213

Step by Step Solution

1. Step 1: Write the proportion equation
   72,263.25 : 111,213 = 111,213 : x
2. Step 2: Convert to fraction form
   72,263.25/111,213 = 111,213/x
3. Step 3: Cross multiply
   72,263.25x = 111,213 × 111,213
4. Step 4: Simplify right side
   72,263.25x = 12,368,331,369
5. Step 5: Solve for x
   x = 12,368,331,369/72,263.25
6. Step 6: Final answer
   x = 171,156.59