Finding the Third Proportional to 31,149.56 and 49,518.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,149.56 : 49,518.84 = 49,518.84 : x
2. Step 2: Convert to fraction form
   31,149.56/49,518.84 = 49,518.84/x
3. Step 3: Cross multiply
   31,149.56x = 49,518.84 × 49,518.84
4. Step 4: Simplify right side
   31,149.56x = 2,452,115,886.34
5. Step 5: Solve for x
   x = 2,452,115,886.34/31,149.56
6. Step 6: Final answer
   x = 78,720.72