Finding the Third Proportional to 89,982 and 127,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,982 : 127,921.50 = 127,921.50 : x
2. Step 2: Convert to fraction form
   89,982/127,921.50 = 127,921.50/x
3. Step 3: Cross multiply
   89,982x = 127,921.50 × 127,921.50
4. Step 4: Simplify right side
   89,982x = 16,363,910,162.25
5. Step 5: Solve for x
   x = 16,363,910,162.25/89,982
6. Step 6: Final answer
   x = 181,857.60