Finding the Third Proportional to 15,917.77 and 34,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,917.77 : 34,280.72 = 34,280.72 : x
2. Step 2: Convert to fraction form
   15,917.77/34,280.72 = 34,280.72/x
3. Step 3: Cross multiply
   15,917.77x = 34,280.72 × 34,280.72
4. Step 4: Simplify right side
   15,917.77x = 1,175,167,678.02
5. Step 5: Solve for x
   x = 1,175,167,678.02/15,917.77
6. Step 6: Final answer
   x = 73,827.43