Finding the Third Proportional to 62,479 and 137,118

Step by Step Solution

1. Step 1: Write the proportion equation
   62,479 : 137,118 = 137,118 : x
2. Step 2: Convert to fraction form
   62,479/137,118 = 137,118/x
3. Step 3: Cross multiply
   62,479x = 137,118 × 137,118
4. Step 4: Simplify right side
   62,479x = 18,801,345,924
5. Step 5: Solve for x
   x = 18,801,345,924/62,479
6. Step 6: Final answer
   x = 300,922.64