Finding the Third Proportional to 3,471,616 and 7,316,480

Step by Step Solution

1. Step 1: Write the proportion equation
   3,471,616 : 7,316,480 = 7,316,480 : x
2. Step 2: Convert to fraction form
   3,471,616/7,316,480 = 7,316,480/x
3. Step 3: Cross multiply
   3,471,616x = 7,316,480 × 7,316,480
4. Step 4: Simplify right side
   3,471,616x = 53,530,879,590,400
5. Step 5: Solve for x
   x = 53,530,879,590,400/3,471,616
6. Step 6: Final answer
   x = 15,419,585.46