Finding the Third Proportional to 35,148 and 56,215

Step by Step Solution

1. Step 1: Write the proportion equation
   35,148 : 56,215 = 56,215 : x
2. Step 2: Convert to fraction form
   35,148/56,215 = 56,215/x
3. Step 3: Cross multiply
   35,148x = 56,215 × 56,215
4. Step 4: Simplify right side
   35,148x = 3,160,126,225
5. Step 5: Solve for x
   x = 3,160,126,225/35,148
6. Step 6: Final answer
   x = 89,909.13