Finding the Third Proportional to 72,474.75 and 102,060

Step by Step Solution

1. Step 1: Write the proportion equation
   72,474.75 : 102,060 = 102,060 : x
2. Step 2: Convert to fraction form
   72,474.75/102,060 = 102,060/x
3. Step 3: Cross multiply
   72,474.75x = 102,060 × 102,060
4. Step 4: Simplify right side
   72,474.75x = 10,416,243,600
5. Step 5: Solve for x
   x = 10,416,243,600/72,474.75
6. Step 6: Final answer
   x = 143,722.38