Finding the Third Proportional to 12,686.63 and 19,333.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686.63 : 19,333.69 = 19,333.69 : x
2. Step 2: Convert to fraction form
   12,686.63/19,333.69 = 19,333.69/x
3. Step 3: Cross multiply
   12,686.63x = 19,333.69 × 19,333.69
4. Step 4: Simplify right side
   12,686.63x = 373,791,472.35
5. Step 5: Solve for x
   x = 373,791,472.35/12,686.63
6. Step 6: Final answer
   x = 29,463.43