Finding the Third Proportional to 55,478 and 83,925

Step by Step Solution

1. Step 1: Write the proportion equation
   55,478 : 83,925 = 83,925 : x
2. Step 2: Convert to fraction form
   55,478/83,925 = 83,925/x
3. Step 3: Cross multiply
   55,478x = 83,925 × 83,925
4. Step 4: Simplify right side
   55,478x = 7,043,405,625
5. Step 5: Solve for x
   x = 7,043,405,625/55,478
6. Step 6: Final answer
   x = 126,958.54