Finding the Third Proportional to 31,700 and 45,282

Step by Step Solution

1. Step 1: Write the proportion equation
   31,700 : 45,282 = 45,282 : x
2. Step 2: Convert to fraction form
   31,700/45,282 = 45,282/x
3. Step 3: Cross multiply
   31,700x = 45,282 × 45,282
4. Step 4: Simplify right side
   31,700x = 2,050,459,524
5. Step 5: Solve for x
   x = 2,050,459,524/31,700
6. Step 6: Final answer
   x = 64,683.27