Finding the Third Proportional to 126,258.75 and 272,196

Step by Step Solution

1. Step 1: Write the proportion equation
   126,258.75 : 272,196 = 272,196 : x
2. Step 2: Convert to fraction form
   126,258.75/272,196 = 272,196/x
3. Step 3: Cross multiply
   126,258.75x = 272,196 × 272,196
4. Step 4: Simplify right side
   126,258.75x = 74,090,662,416
5. Step 5: Solve for x
   x = 74,090,662,416/126,258.75
6. Step 6: Final answer
   x = 586,816.06