Finding the Third Proportional to 81,558 and 114,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,558 : 114,853.50 = 114,853.50 : x
2. Step 2: Convert to fraction form
   81,558/114,853.50 = 114,853.50/x
3. Step 3: Cross multiply
   81,558x = 114,853.50 × 114,853.50
4. Step 4: Simplify right side
   81,558x = 13,191,326,462.25
5. Step 5: Solve for x
   x = 13,191,326,462.25/81,558
6. Step 6: Final answer
   x = 161,741.66