Finding the Third Proportional to 35,672 and 55,217

Step by Step Solution

1. Step 1: Write the proportion equation
   35,672 : 55,217 = 55,217 : x
2. Step 2: Convert to fraction form
   35,672/55,217 = 55,217/x
3. Step 3: Cross multiply
   35,672x = 55,217 × 55,217
4. Step 4: Simplify right side
   35,672x = 3,048,917,089
5. Step 5: Solve for x
   x = 3,048,917,089/35,672
6. Step 6: Final answer
   x = 85,470.88