Finding the Third Proportional to 113,818 and 172,292

Step by Step Solution

1. Step 1: Write the proportion equation
   113,818 : 172,292 = 172,292 : x
2. Step 2: Convert to fraction form
   113,818/172,292 = 172,292/x
3. Step 3: Cross multiply
   113,818x = 172,292 × 172,292
4. Step 4: Simplify right side
   113,818x = 29,684,533,264
5. Step 5: Solve for x
   x = 29,684,533,264/113,818
6. Step 6: Final answer
   x = 260,807.02