Finding the Third Proportional to 39,787.88 and 85,802.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,787.88 : 85,802.63 = 85,802.63 : x
2. Step 2: Convert to fraction form
   39,787.88/85,802.63 = 85,802.63/x
3. Step 3: Cross multiply
   39,787.88x = 85,802.63 × 85,802.63
4. Step 4: Simplify right side
   39,787.88x = 7,362,090,456.89
5. Step 5: Solve for x
   x = 7,362,090,456.89/39,787.88
6. Step 6: Final answer
   x = 185,033.52