Finding the Third Proportional to 919,390.50 and 1,949,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   919,390.50 : 1,949,359.50 = 1,949,359.50 : x
2. Step 2: Convert to fraction form
   919,390.50/1,949,359.50 = 1,949,359.50/x
3. Step 3: Cross multiply
   919,390.50x = 1,949,359.50 × 1,949,359.50
4. Step 4: Simplify right side
   919,390.50x = 3,800,002,460,240.25
5. Step 5: Solve for x
   x = 3,800,002,460,240.25/919,390.50
6. Step 6: Final answer
   x = 4,133,175.69