Finding the Third Proportional to 36,100.69 and 86,963.63

Step by Step Solution

1. Step 1: Write the proportion equation
   36,100.69 : 86,963.63 = 86,963.63 : x
2. Step 2: Convert to fraction form
   36,100.69/86,963.63 = 86,963.63/x
3. Step 3: Cross multiply
   36,100.69x = 86,963.63 × 86,963.63
4. Step 4: Simplify right side
   36,100.69x = 7,562,672,073.14
5. Step 5: Solve for x
   x = 7,562,672,073.14/36,100.69
6. Step 6: Final answer
   x = 209,488.31