Finding the Third Proportional to 1,205,136 and 2,510,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,136 : 2,510,148 = 2,510,148 : x
2. Step 2: Convert to fraction form
   1,205,136/2,510,148 = 2,510,148/x
3. Step 3: Cross multiply
   1,205,136x = 2,510,148 × 2,510,148
4. Step 4: Simplify right side
   1,205,136x = 6,300,842,981,904
5. Step 5: Solve for x
   x = 6,300,842,981,904/1,205,136
6. Step 6: Final answer
   x = 5,228,325.25