Finding the Third Proportional to 12,949.31 and 28,621.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,949.31 : 28,621.13 = 28,621.13 : x
2. Step 2: Convert to fraction form
   12,949.31/28,621.13 = 28,621.13/x
3. Step 3: Cross multiply
   12,949.31x = 28,621.13 × 28,621.13
4. Step 4: Simplify right side
   12,949.31x = 819,168,796.27
5. Step 5: Solve for x
   x = 819,168,796.27/12,949.31
6. Step 6: Final answer
   x = 63,259.64