Finding the Third Proportional to 62,615 and 137,074

Step by Step Solution

1. Step 1: Write the proportion equation
   62,615 : 137,074 = 137,074 : x
2. Step 2: Convert to fraction form
   62,615/137,074 = 137,074/x
3. Step 3: Cross multiply
   62,615x = 137,074 × 137,074
4. Step 4: Simplify right side
   62,615x = 18,789,281,476
5. Step 5: Solve for x
   x = 18,789,281,476/62,615
6. Step 6: Final answer
   x = 300,076.36