Finding the Third Proportional to 31,014.56 and 65,669.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,014.56 : 65,669.06 = 65,669.06 : x
2. Step 2: Convert to fraction form
   31,014.56/65,669.06 = 65,669.06/x
3. Step 3: Cross multiply
   31,014.56x = 65,669.06 × 65,669.06
4. Step 4: Simplify right side
   31,014.56x = 4,312,425,769.63
5. Step 5: Solve for x
   x = 4,312,425,769.63/31,014.56
6. Step 6: Final answer
   x = 139,045.19