Finding the Third Proportional to 72,922.78 and 109,384.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,922.78 : 109,384.17 = 109,384.17 : x
2. Step 2: Convert to fraction form
   72,922.78/109,384.17 = 109,384.17/x
3. Step 3: Cross multiply
   72,922.78x = 109,384.17 × 109,384.17
4. Step 4: Simplify right side
   72,922.78x = 11,964,897,056.78
5. Step 5: Solve for x
   x = 11,964,897,056.78/72,922.78
6. Step 6: Final answer
   x = 164,076.26