Finding the Third Proportional to 21,126.66 and 31,624.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,126.66 : 31,624.17 = 31,624.17 : x
2. Step 2: Convert to fraction form
   21,126.66/31,624.17 = 31,624.17/x
3. Step 3: Cross multiply
   21,126.66x = 31,624.17 × 31,624.17
4. Step 4: Simplify right side
   21,126.66x = 1,000,088,246.78
5. Step 5: Solve for x
   x = 1,000,088,246.78/21,126.66
6. Step 6: Final answer
   x = 47,337.74