Finding the Third Proportional to 68,404.50 and 146,994.75

Step by Step Solution

1. Step 1: Write the proportion equation
   68,404.50 : 146,994.75 = 146,994.75 : x
2. Step 2: Convert to fraction form
   68,404.50/146,994.75 = 146,994.75/x
3. Step 3: Cross multiply
   68,404.50x = 146,994.75 × 146,994.75
4. Step 4: Simplify right side
   68,404.50x = 21,607,456,527.56
5. Step 5: Solve for x
   x = 21,607,456,527.56/68,404.50
6. Step 6: Final answer
   x = 315,877.71