Finding the Third Proportional to 31,553.72 and 48,515.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,553.72 : 48,515.63 = 48,515.63 : x
2. Step 2: Convert to fraction form
   31,553.72/48,515.63 = 48,515.63/x
3. Step 3: Cross multiply
   31,553.72x = 48,515.63 × 48,515.63
4. Step 4: Simplify right side
   31,553.72x = 2,353,765,869.14
5. Step 5: Solve for x
   x = 2,353,765,869.14/31,553.72
6. Step 6: Final answer
   x = 74,595.51