Finding the Third Proportional to 88,165.50 and 208,091

Step by Step Solution

1. Step 1: Write the proportion equation
   88,165.50 : 208,091 = 208,091 : x
2. Step 2: Convert to fraction form
   88,165.50/208,091 = 208,091/x
3. Step 3: Cross multiply
   88,165.50x = 208,091 × 208,091
4. Step 4: Simplify right side
   88,165.50x = 43,301,864,281
5. Step 5: Solve for x
   x = 43,301,864,281/88,165.50
6. Step 6: Final answer
   x = 491,142.96