Finding the Third Proportional to 13,501.69 and 31,240.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,501.69 : 31,240.69 = 31,240.69 : x
2. Step 2: Convert to fraction form
   13,501.69/31,240.69 = 31,240.69/x
3. Step 3: Cross multiply
   13,501.69x = 31,240.69 × 31,240.69
4. Step 4: Simplify right side
   13,501.69x = 975,980,555.47
5. Step 5: Solve for x
   x = 975,980,555.47/13,501.69
6. Step 6: Final answer
   x = 72,285.82