Finding the Third Proportional to 1,253,388 and 2,573,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,388 : 2,573,136 = 2,573,136 : x
2. Step 2: Convert to fraction form
   1,253,388/2,573,136 = 2,573,136/x
3. Step 3: Cross multiply
   1,253,388x = 2,573,136 × 2,573,136
4. Step 4: Simplify right side
   1,253,388x = 6,621,028,874,496
5. Step 5: Solve for x
   x = 6,621,028,874,496/1,253,388
6. Step 6: Final answer
   x = 5,282,505.40