Finding the Third Proportional to 88,209 and 132,513

Step by Step Solution

1. Step 1: Write the proportion equation
   88,209 : 132,513 = 132,513 : x
2. Step 2: Convert to fraction form
   88,209/132,513 = 132,513/x
3. Step 3: Cross multiply
   88,209x = 132,513 × 132,513
4. Step 4: Simplify right side
   88,209x = 17,559,695,169
5. Step 5: Solve for x
   x = 17,559,695,169/88,209
6. Step 6: Final answer
   x = 199,069.20