Finding the Third Proportional to 137,088 and 300,906

Step by Step Solution

1. Step 1: Write the proportion equation
   137,088 : 300,906 = 300,906 : x
2. Step 2: Convert to fraction form
   137,088/300,906 = 300,906/x
3. Step 3: Cross multiply
   137,088x = 300,906 × 300,906
4. Step 4: Simplify right side
   137,088x = 90,544,420,836
5. Step 5: Solve for x
   x = 90,544,420,836/137,088
6. Step 6: Final answer
   x = 660,483.93