Finding the Third Proportional to 1,586,464 and 3,487,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,586,464 : 3,487,856 = 3,487,856 : x
2. Step 2: Convert to fraction form
   1,586,464/3,487,856 = 3,487,856/x
3. Step 3: Cross multiply
   1,586,464x = 3,487,856 × 3,487,856
4. Step 4: Simplify right side
   1,586,464x = 12,165,139,476,736
5. Step 5: Solve for x
   x = 12,165,139,476,736/1,586,464
6. Step 6: Final answer
   x = 7,668,084.16