Finding the Third Proportional to 2,864,639.25 and 4,142,768.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,639.25 : 4,142,768.25 = 4,142,768.25 : x
2. Step 2: Convert to fraction form
   2,864,639.25/4,142,768.25 = 4,142,768.25/x
3. Step 3: Cross multiply
   2,864,639.25x = 4,142,768.25 × 4,142,768.25
4. Step 4: Simplify right side
   2,864,639.25x = 17,162,528,773,208.06
5. Step 5: Solve for x
   x = 17,162,528,773,208.06/2,864,639.25
6. Step 6: Final answer
   x = 5,991,165.82