Finding the Third Proportional to 56,745 and 85,907

Step by Step Solution

1. Step 1: Write the proportion equation
   56,745 : 85,907 = 85,907 : x
2. Step 2: Convert to fraction form
   56,745/85,907 = 85,907/x
3. Step 3: Cross multiply
   56,745x = 85,907 × 85,907
4. Step 4: Simplify right side
   56,745x = 7,380,012,649
5. Step 5: Solve for x
   x = 7,380,012,649/56,745
6. Step 6: Final answer
   x = 130,055.73