Finding the Third Proportional to 3,210,616 and 4,709,488

Step by Step Solution

1. Step 1: Write the proportion equation
   3,210,616 : 4,709,488 = 4,709,488 : x
2. Step 2: Convert to fraction form
   3,210,616/4,709,488 = 4,709,488/x
3. Step 3: Cross multiply
   3,210,616x = 4,709,488 × 4,709,488
4. Step 4: Simplify right side
   3,210,616x = 22,179,277,222,144
5. Step 5: Solve for x
   x = 22,179,277,222,144/3,210,616
6. Step 6: Final answer
   x = 6,908,106.49