Finding the Third Proportional to 10,692.95 and 15,686.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,692.95 : 15,686.31 = 15,686.31 : x
2. Step 2: Convert to fraction form
   10,692.95/15,686.31 = 15,686.31/x
3. Step 3: Cross multiply
   10,692.95x = 15,686.31 × 15,686.31
4. Step 4: Simplify right side
   10,692.95x = 246,060,461.12
5. Step 5: Solve for x
   x = 246,060,461.12/10,692.95
6. Step 6: Final answer
   x = 23,011.47