Finding the Third Proportional to 121,932 and 161,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,932 : 161,833.50 = 161,833.50 : x
2. Step 2: Convert to fraction form
   121,932/161,833.50 = 161,833.50/x
3. Step 3: Cross multiply
   121,932x = 161,833.50 × 161,833.50
4. Step 4: Simplify right side
   121,932x = 26,190,081,722.25
5. Step 5: Solve for x
   x = 26,190,081,722.25/121,932
6. Step 6: Final answer
   x = 214,792.52