Finding the Third Proportional to 6,991.63 and 10,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,991.63 : 10,801.50 = 10,801.50 : x
2. Step 2: Convert to fraction form
   6,991.63/10,801.50 = 10,801.50/x
3. Step 3: Cross multiply
   6,991.63x = 10,801.50 × 10,801.50
4. Step 4: Simplify right side
   6,991.63x = 116,672,402.25
5. Step 5: Solve for x
   x = 116,672,402.25/6,991.63
6. Step 6: Final answer
   x = 16,687.45