Finding the Third Proportional to 137,431.50 and 298,362

Step by Step Solution

1. Step 1: Write the proportion equation
   137,431.50 : 298,362 = 298,362 : x
2. Step 2: Convert to fraction form
   137,431.50/298,362 = 298,362/x
3. Step 3: Cross multiply
   137,431.50x = 298,362 × 298,362
4. Step 4: Simplify right side
   137,431.50x = 89,019,883,044
5. Step 5: Solve for x
   x = 89,019,883,044/137,431.50
6. Step 6: Final answer
   x = 647,740.02