Finding the Third Proportional to 349,960.50 and 749,490

Step by Step Solution

1. Step 1: Write the proportion equation
   349,960.50 : 749,490 = 749,490 : x
2. Step 2: Convert to fraction form
   349,960.50/749,490 = 749,490/x
3. Step 3: Cross multiply
   349,960.50x = 749,490 × 749,490
4. Step 4: Simplify right side
   349,960.50x = 561,735,260,100
5. Step 5: Solve for x
   x = 561,735,260,100/349,960.50
6. Step 6: Final answer
   x = 1,605,139.04