Finding the Third Proportional to 56,908 and 89,274

Step by Step Solution

1. Step 1: Write the proportion equation
   56,908 : 89,274 = 89,274 : x
2. Step 2: Convert to fraction form
   56,908/89,274 = 89,274/x
3. Step 3: Cross multiply
   56,908x = 89,274 × 89,274
4. Step 4: Simplify right side
   56,908x = 7,969,847,076
5. Step 5: Solve for x
   x = 7,969,847,076/56,908
6. Step 6: Final answer
   x = 140,047.92