Finding the Third Proportional to 31,314.66 and 65,706.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,314.66 : 65,706.19 = 65,706.19 : x
2. Step 2: Convert to fraction form
   31,314.66/65,706.19 = 65,706.19/x
3. Step 3: Cross multiply
   31,314.66x = 65,706.19 × 65,706.19
4. Step 4: Simplify right side
   31,314.66x = 4,317,303,075.79
5. Step 5: Solve for x
   x = 4,317,303,075.79/31,314.66
6. Step 6: Final answer
   x = 137,868.45