Finding the Third Proportional to 1,513,465 and 3,228,979

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,465 : 3,228,979 = 3,228,979 : x
2. Step 2: Convert to fraction form
   1,513,465/3,228,979 = 3,228,979/x
3. Step 3: Cross multiply
   1,513,465x = 3,228,979 × 3,228,979
4. Step 4: Simplify right side
   1,513,465x = 10,426,305,382,441
5. Step 5: Solve for x
   x = 10,426,305,382,441/1,513,465
6. Step 6: Final answer
   x = 6,889,029.73