Finding the Third Proportional to 55,908 and 89,775

Step by Step Solution

1. Step 1: Write the proportion equation
   55,908 : 89,775 = 89,775 : x
2. Step 2: Convert to fraction form
   55,908/89,775 = 89,775/x
3. Step 3: Cross multiply
   55,908x = 89,775 × 89,775
4. Step 4: Simplify right side
   55,908x = 8,059,550,625
5. Step 5: Solve for x
   x = 8,059,550,625/55,908
6. Step 6: Final answer
   x = 144,157.38