Finding the Third Proportional to 12,320.86 and 19,060.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,320.86 : 19,060.31 = 19,060.31 : x
2. Step 2: Convert to fraction form
   12,320.86/19,060.31 = 19,060.31/x
3. Step 3: Cross multiply
   12,320.86x = 19,060.31 × 19,060.31
4. Step 4: Simplify right side
   12,320.86x = 363,295,512.60
5. Step 5: Solve for x
   x = 363,295,512.60/12,320.86
6. Step 6: Final answer
   x = 29,486.22