Finding the Third Proportional to 2,564,210 and 3,986,295

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,210 : 3,986,295 = 3,986,295 : x
2. Step 2: Convert to fraction form
   2,564,210/3,986,295 = 3,986,295/x
3. Step 3: Cross multiply
   2,564,210x = 3,986,295 × 3,986,295
4. Step 4: Simplify right side
   2,564,210x = 15,890,547,827,025
5. Step 5: Solve for x
   x = 15,890,547,827,025/2,564,210
6. Step 6: Final answer
   x = 6,197,054.00