Finding the Third Proportional to 83,836.50 and 126,840

Step by Step Solution

1. Step 1: Write the proportion equation
   83,836.50 : 126,840 = 126,840 : x
2. Step 2: Convert to fraction form
   83,836.50/126,840 = 126,840/x
3. Step 3: Cross multiply
   83,836.50x = 126,840 × 126,840
4. Step 4: Simplify right side
   83,836.50x = 16,088,385,600
5. Step 5: Solve for x
   x = 16,088,385,600/83,836.50
6. Step 6: Final answer
   x = 191,901.92