Finding the Third Proportional to 3,870,276 and 5,806,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,276 : 5,806,872 = 5,806,872 : x
2. Step 2: Convert to fraction form
   3,870,276/5,806,872 = 5,806,872/x
3. Step 3: Cross multiply
   3,870,276x = 5,806,872 × 5,806,872
4. Step 4: Simplify right side
   3,870,276x = 33,719,762,424,384
5. Step 5: Solve for x
   x = 33,719,762,424,384/3,870,276
6. Step 6: Final answer
   x = 8,712,495.55