Finding the Third Proportional to 1,064,136 and 2,177,988

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,136 : 2,177,988 = 2,177,988 : x
2. Step 2: Convert to fraction form
   1,064,136/2,177,988 = 2,177,988/x
3. Step 3: Cross multiply
   1,064,136x = 2,177,988 × 2,177,988
4. Step 4: Simplify right side
   1,064,136x = 4,743,631,728,144
5. Step 5: Solve for x
   x = 4,743,631,728,144/1,064,136
6. Step 6: Final answer
   x = 4,457,730.71