Finding the Third Proportional to 349,947 and 749,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,947 : 749,626.50 = 749,626.50 : x
2. Step 2: Convert to fraction form
   349,947/749,626.50 = 749,626.50/x
3. Step 3: Cross multiply
   349,947x = 749,626.50 × 749,626.50
4. Step 4: Simplify right side
   349,947x = 561,939,889,502.25
5. Step 5: Solve for x
   x = 561,939,889,502.25/349,947
6. Step 6: Final answer
   x = 1,605,785.70