Finding the Third Proportional to 137,142 and 299,916

Step by Step Solution

1. Step 1: Write the proportion equation
   137,142 : 299,916 = 299,916 : x
2. Step 2: Convert to fraction form
   137,142/299,916 = 299,916/x
3. Step 3: Cross multiply
   137,142x = 299,916 × 299,916
4. Step 4: Simplify right side
   137,142x = 89,949,607,056
5. Step 5: Solve for x
   x = 89,949,607,056/137,142
6. Step 6: Final answer
   x = 655,886.65