Finding the Third Proportional to 121,882.50 and 188,352

Step by Step Solution

1. Step 1: Write the proportion equation
   121,882.50 : 188,352 = 188,352 : x
2. Step 2: Convert to fraction form
   121,882.50/188,352 = 188,352/x
3. Step 3: Cross multiply
   121,882.50x = 188,352 × 188,352
4. Step 4: Simplify right side
   121,882.50x = 35,476,475,904
5. Step 5: Solve for x
   x = 35,476,475,904/121,882.50
6. Step 6: Final answer
   x = 291,071.12