Finding the Third Proportional to 138,954 and 303,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   138,954 : 303,331.50 = 303,331.50 : x
2. Step 2: Convert to fraction form
   138,954/303,331.50 = 303,331.50/x
3. Step 3: Cross multiply
   138,954x = 303,331.50 × 303,331.50
4. Step 4: Simplify right side
   138,954x = 92,009,998,892.25
5. Step 5: Solve for x
   x = 92,009,998,892.25/138,954
6. Step 6: Final answer
   x = 662,161.57