Finding the Third Proportional to 69,336 and 141,957.56

Step by Step Solution

1. Step 1: Write the proportion equation
   69,336 : 141,957.56 = 141,957.56 : x
2. Step 2: Convert to fraction form
   69,336/141,957.56 = 141,957.56/x
3. Step 3: Cross multiply
   69,336x = 141,957.56 × 141,957.56
4. Step 4: Simplify right side
   69,336x = 20,151,949,550.94
5. Step 5: Solve for x
   x = 20,151,949,550.94/69,336
6. Step 6: Final answer
   x = 290,641.94