Finding the Third Proportional to 113,139 and 167,752.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,139 : 167,752.50 = 167,752.50 : x
2. Step 2: Convert to fraction form
   113,139/167,752.50 = 167,752.50/x
3. Step 3: Cross multiply
   113,139x = 167,752.50 × 167,752.50
4. Step 4: Simplify right side
   113,139x = 28,140,901,256.25
5. Step 5: Solve for x
   x = 28,140,901,256.25/113,139
6. Step 6: Final answer
   x = 248,728.57