Finding the Third Proportional to 72,273 and 109,428

Step by Step Solution

1. Step 1: Write the proportion equation
   72,273 : 109,428 = 109,428 : x
2. Step 2: Convert to fraction form
   72,273/109,428 = 109,428/x
3. Step 3: Cross multiply
   72,273x = 109,428 × 109,428
4. Step 4: Simplify right side
   72,273x = 11,974,487,184
5. Step 5: Solve for x
   x = 11,974,487,184/72,273
6. Step 6: Final answer
   x = 165,684.10