Finding the Third Proportional to 62,991 and 137,054

Step by Step Solution

1. Step 1: Write the proportion equation
   62,991 : 137,054 = 137,054 : x
2. Step 2: Convert to fraction form
   62,991/137,054 = 137,054/x
3. Step 3: Cross multiply
   62,991x = 137,054 × 137,054
4. Step 4: Simplify right side
   62,991x = 18,783,798,916
5. Step 5: Solve for x
   x = 18,783,798,916/62,991
6. Step 6: Final answer
   x = 298,198.14