Finding the Third Proportional to 69,816 and 155,100

Step by Step Solution

1. Step 1: Write the proportion equation
   69,816 : 155,100 = 155,100 : x
2. Step 2: Convert to fraction form
   69,816/155,100 = 155,100/x
3. Step 3: Cross multiply
   69,816x = 155,100 × 155,100
4. Step 4: Simplify right side
   69,816x = 24,056,010,000
5. Step 5: Solve for x
   x = 24,056,010,000/69,816
6. Step 6: Final answer
   x = 344,562.99