Finding the Third Proportional to 15,887.81 and 33,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,887.81 : 33,886.69 = 33,886.69 : x
2. Step 2: Convert to fraction form
   15,887.81/33,886.69 = 33,886.69/x
3. Step 3: Cross multiply
   15,887.81x = 33,886.69 × 33,886.69
4. Step 4: Simplify right side
   15,887.81x = 1,148,307,589.72
5. Step 5: Solve for x
   x = 1,148,307,589.72/15,887.81
6. Step 6: Final answer
   x = 72,276.00