Finding the Third Proportional to 62,479.69 and 137,117.81

Step by Step Solution

1. Step 1: Write the proportion equation
   62,479.69 : 137,117.81 = 137,117.81 : x
2. Step 2: Convert to fraction form
   62,479.69/137,117.81 = 137,117.81/x
3. Step 3: Cross multiply
   62,479.69x = 137,117.81 × 137,117.81
4. Step 4: Simplify right side
   62,479.69x = 18,801,294,504.79
5. Step 5: Solve for x
   x = 18,801,294,504.79/62,479.69
6. Step 6: Final answer
   x = 300,918.51