Finding the Third Proportional to 72,714.75 and 111,730.13

Step by Step Solution

1. Step 1: Write the proportion equation
   72,714.75 : 111,730.13 = 111,730.13 : x
2. Step 2: Convert to fraction form
   72,714.75/111,730.13 = 111,730.13/x
3. Step 3: Cross multiply
   72,714.75x = 111,730.13 × 111,730.13
4. Step 4: Simplify right side
   72,714.75x = 12,483,620,832.52
5. Step 5: Solve for x
   x = 12,483,620,832.52/72,714.75
6. Step 6: Final answer
   x = 171,679.35