Finding the Third Proportional to 12,652.31 and 30,218.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,652.31 : 30,218.06 = 30,218.06 : x
2. Step 2: Convert to fraction form
   12,652.31/30,218.06 = 30,218.06/x
3. Step 3: Cross multiply
   12,652.31x = 30,218.06 × 30,218.06
4. Step 4: Simplify right side
   12,652.31x = 913,131,301.25
5. Step 5: Solve for x
   x = 913,131,301.25/12,652.31
6. Step 6: Final answer
   x = 72,171.10