Finding the Third Proportional to 137,983.50 and 298,107

Step by Step Solution

1. Step 1: Write the proportion equation
   137,983.50 : 298,107 = 298,107 : x
2. Step 2: Convert to fraction form
   137,983.50/298,107 = 298,107/x
3. Step 3: Cross multiply
   137,983.50x = 298,107 × 298,107
4. Step 4: Simplify right side
   137,983.50x = 88,867,783,449
5. Step 5: Solve for x
   x = 88,867,783,449/137,983.50
6. Step 6: Final answer
   x = 644,046.45