Finding the Third Proportional to 1,688,616 and 3,446,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,616 : 3,446,136 = 3,446,136 : x
2. Step 2: Convert to fraction form
   1,688,616/3,446,136 = 3,446,136/x
3. Step 3: Cross multiply
   1,688,616x = 3,446,136 × 3,446,136
4. Step 4: Simplify right side
   1,688,616x = 11,875,853,330,496
5. Step 5: Solve for x
   x = 11,875,853,330,496/1,688,616
6. Step 6: Final answer
   x = 7,032,891.63