Finding the Third Proportional to 56,787.75 and 85,181.63

Step by Step Solution

1. Step 1: Write the proportion equation
   56,787.75 : 85,181.63 = 85,181.63 : x
2. Step 2: Convert to fraction form
   56,787.75/85,181.63 = 85,181.63/x
3. Step 3: Cross multiply
   56,787.75x = 85,181.63 × 85,181.63
4. Step 4: Simplify right side
   56,787.75x = 7,255,909,237.64
5. Step 5: Solve for x
   x = 7,255,909,237.64/56,787.75
6. Step 6: Final answer
   x = 127,772.44