Finding the Third Proportional to 1,202,972 and 2,505,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,972 : 2,505,136 = 2,505,136 : x
2. Step 2: Convert to fraction form
   1,202,972/2,505,136 = 2,505,136/x
3. Step 3: Cross multiply
   1,202,972x = 2,505,136 × 2,505,136
4. Step 4: Simplify right side
   1,202,972x = 6,275,706,378,496
5. Step 5: Solve for x
   x = 6,275,706,378,496/1,202,972
6. Step 6: Final answer
   x = 5,216,834.95