Finding the Third Proportional to 89,347.50 and 138,922

Step by Step Solution

1. Step 1: Write the proportion equation
   89,347.50 : 138,922 = 138,922 : x
2. Step 2: Convert to fraction form
   89,347.50/138,922 = 138,922/x
3. Step 3: Cross multiply
   89,347.50x = 138,922 × 138,922
4. Step 4: Simplify right side
   89,347.50x = 19,299,322,084
5. Step 5: Solve for x
   x = 19,299,322,084/89,347.50
6. Step 6: Final answer
   x = 216,002.93