Finding the Third Proportional to 12,705.75 and 19,634.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.75 : 19,634.63 = 19,634.63 : x
2. Step 2: Convert to fraction form
   12,705.75/19,634.63 = 19,634.63/x
3. Step 3: Cross multiply
   12,705.75x = 19,634.63 × 19,634.63
4. Step 4: Simplify right side
   12,705.75x = 385,518,498.89
5. Step 5: Solve for x
   x = 385,518,498.89/12,705.75
6. Step 6: Final answer
   x = 30,342.05