Finding the Third Proportional to 12,362.63 and 19,646.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.63 : 19,646.30 = 19,646.30 : x
2. Step 2: Convert to fraction form
   12,362.63/19,646.30 = 19,646.30/x
3. Step 3: Cross multiply
   12,362.63x = 19,646.30 × 19,646.30
4. Step 4: Simplify right side
   12,362.63x = 385,976,980.90
5. Step 5: Solve for x
   x = 385,976,980.90/12,362.63
6. Step 6: Final answer
   x = 31,221.28