Finding the Third Proportional to 72,680 and 103,068

Step by Step Solution

1. Step 1: Write the proportion equation
   72,680 : 103,068 = 103,068 : x
2. Step 2: Convert to fraction form
   72,680/103,068 = 103,068/x
3. Step 3: Cross multiply
   72,680x = 103,068 × 103,068
4. Step 4: Simplify right side
   72,680x = 10,623,012,624
5. Step 5: Solve for x
   x = 10,623,012,624/72,680
6. Step 6: Final answer
   x = 146,161.43