Finding the Third Proportional to 34,226.50 and 68,961.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,226.50 : 68,961.25 = 68,961.25 : x
2. Step 2: Convert to fraction form
   34,226.50/68,961.25 = 68,961.25/x
3. Step 3: Cross multiply
   34,226.50x = 68,961.25 × 68,961.25
4. Step 4: Simplify right side
   34,226.50x = 4,755,654,001.56
5. Step 5: Solve for x
   x = 4,755,654,001.56/34,226.50
6. Step 6: Final answer
   x = 138,946.55