Finding the Third Proportional to 1,209,204 and 2,636,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,204 : 2,636,136 = 2,636,136 : x
2. Step 2: Convert to fraction form
   1,209,204/2,636,136 = 2,636,136/x
3. Step 3: Cross multiply
   1,209,204x = 2,636,136 × 2,636,136
4. Step 4: Simplify right side
   1,209,204x = 6,949,213,010,496
5. Step 5: Solve for x
   x = 6,949,213,010,496/1,209,204
6. Step 6: Final answer
   x = 5,746,931.87