Finding the Third Proportional to 3,616,947 and 7,801,776

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616,947 : 7,801,776 = 7,801,776 : x
2. Step 2: Convert to fraction form
   3,616,947/7,801,776 = 7,801,776/x
3. Step 3: Cross multiply
   3,616,947x = 7,801,776 × 7,801,776
4. Step 4: Simplify right side
   3,616,947x = 60,867,708,754,176
5. Step 5: Solve for x
   x = 60,867,708,754,176/3,616,947
6. Step 6: Final answer
   x = 16,828,476.82