Finding the Third Proportional to 56,802.09 and 123,007.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,802.09 : 123,007.78 = 123,007.78 : x
2. Step 2: Convert to fraction form
   56,802.09/123,007.78 = 123,007.78/x
3. Step 3: Cross multiply
   56,802.09x = 123,007.78 × 123,007.78
4. Step 4: Simplify right side
   56,802.09x = 15,130,914,248.05
5. Step 5: Solve for x
   x = 15,130,914,248.05/56,802.09
6. Step 6: Final answer
   x = 266,379.52