Finding the Third Proportional to 62,429.63 and 137,585.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,429.63 : 137,585.25 = 137,585.25 : x
2. Step 2: Convert to fraction form
   62,429.63/137,585.25 = 137,585.25/x
3. Step 3: Cross multiply
   62,429.63x = 137,585.25 × 137,585.25
4. Step 4: Simplify right side
   62,429.63x = 18,929,701,017.56
5. Step 5: Solve for x
   x = 18,929,701,017.56/62,429.63
6. Step 6: Final answer
   x = 303,216.64