Finding the Third Proportional to 68,995.50 and 148,878

Step by Step Solution

1. Step 1: Write the proportion equation
   68,995.50 : 148,878 = 148,878 : x
2. Step 2: Convert to fraction form
   68,995.50/148,878 = 148,878/x
3. Step 3: Cross multiply
   68,995.50x = 148,878 × 148,878
4. Step 4: Simplify right side
   68,995.50x = 22,164,658,884
5. Step 5: Solve for x
   x = 22,164,658,884/68,995.50
6. Step 6: Final answer
   x = 321,247.89