Finding the Third Proportional to 105,414.50 and 136,798

Step by Step Solution

1. Step 1: Write the proportion equation
   105,414.50 : 136,798 = 136,798 : x
2. Step 2: Convert to fraction form
   105,414.50/136,798 = 136,798/x
3. Step 3: Cross multiply
   105,414.50x = 136,798 × 136,798
4. Step 4: Simplify right side
   105,414.50x = 18,713,692,804
5. Step 5: Solve for x
   x = 18,713,692,804/105,414.50
6. Step 6: Final answer
   x = 177,524.85