Finding the Third Proportional to 112,820.34 and 174,120.89

Step by Step Solution

1. Step 1: Write the proportion equation
   112,820.34 : 174,120.89 = 174,120.89 : x
2. Step 2: Convert to fraction form
   112,820.34/174,120.89 = 174,120.89/x
3. Step 3: Cross multiply
   112,820.34x = 174,120.89 × 174,120.89
4. Step 4: Simplify right side
   112,820.34x = 30,318,084,552.04
5. Step 5: Solve for x
   x = 30,318,084,552.04/112,820.34
6. Step 6: Final answer
   x = 268,728.88