Finding the Third Proportional to 72,261 and 113,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,261 : 113,505.50 = 113,505.50 : x
2. Step 2: Convert to fraction form
   72,261/113,505.50 = 113,505.50/x
3. Step 3: Cross multiply
   72,261x = 113,505.50 × 113,505.50
4. Step 4: Simplify right side
   72,261x = 12,883,498,530.25
5. Step 5: Solve for x
   x = 12,883,498,530.25/72,261
6. Step 6: Final answer
   x = 178,291.17