Finding the Third Proportional to 15,876 and 35,510.91

Step by Step Solution

1. Step 1: Write the proportion equation
   15,876 : 35,510.91 = 35,510.91 : x
2. Step 2: Convert to fraction form
   15,876/35,510.91 = 35,510.91/x
3. Step 3: Cross multiply
   15,876x = 35,510.91 × 35,510.91
4. Step 4: Simplify right side
   15,876x = 1,261,024,462.70
5. Step 5: Solve for x
   x = 1,261,024,462.70/15,876
6. Step 6: Final answer
   x = 79,429.61