Finding the Third Proportional to 88,163 and 208,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,163 : 208,085.50 = 208,085.50 : x
2. Step 2: Convert to fraction form
   88,163/208,085.50 = 208,085.50/x
3. Step 3: Cross multiply
   88,163x = 208,085.50 × 208,085.50
4. Step 4: Simplify right side
   88,163x = 43,299,575,310.25
5. Step 5: Solve for x
   x = 43,299,575,310.25/88,163
6. Step 6: Final answer
   x = 491,130.92