Finding the Third Proportional to 7,796.25 and 12,470.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,796.25 : 12,470.63 = 12,470.63 : x
2. Step 2: Convert to fraction form
   7,796.25/12,470.63 = 12,470.63/x
3. Step 3: Cross multiply
   7,796.25x = 12,470.63 × 12,470.63
4. Step 4: Simplify right side
   7,796.25x = 155,516,487.89
5. Step 5: Solve for x
   x = 155,516,487.89/7,796.25
6. Step 6: Final answer
   x = 19,947.60