Finding the Third Proportional to 38,959.31 and 59,259.09

Step by Step Solution

1. Step 1: Write the proportion equation
   38,959.31 : 59,259.09 = 59,259.09 : x
2. Step 2: Convert to fraction form
   38,959.31/59,259.09 = 59,259.09/x
3. Step 3: Cross multiply
   38,959.31x = 59,259.09 × 59,259.09
4. Step 4: Simplify right side
   38,959.31x = 3,511,640,192.07
5. Step 5: Solve for x
   x = 3,511,640,192.07/38,959.31
6. Step 6: Final answer
   x = 90,136.09