Finding the Third Proportional to 33,846.19 and 68,512.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,846.19 : 68,512.50 = 68,512.50 : x
2. Step 2: Convert to fraction form
   33,846.19/68,512.50 = 68,512.50/x
3. Step 3: Cross multiply
   33,846.19x = 68,512.50 × 68,512.50
4. Step 4: Simplify right side
   33,846.19x = 4,693,962,656.25
5. Step 5: Solve for x
   x = 4,693,962,656.25/33,846.19
6. Step 6: Final answer
   x = 138,685.12