Finding the Third Proportional to 72,888 and 109,332

Step by Step Solution

1. Step 1: Write the proportion equation
   72,888 : 109,332 = 109,332 : x
2. Step 2: Convert to fraction form
   72,888/109,332 = 109,332/x
3. Step 3: Cross multiply
   72,888x = 109,332 × 109,332
4. Step 4: Simplify right side
   72,888x = 11,953,486,224
5. Step 5: Solve for x
   x = 11,953,486,224/72,888
6. Step 6: Final answer
   x = 163,998