Finding the Third Proportional to 1,072,992 and 2,234,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,992 : 2,234,136 = 2,234,136 : x
2. Step 2: Convert to fraction form
   1,072,992/2,234,136 = 2,234,136/x
3. Step 3: Cross multiply
   1,072,992x = 2,234,136 × 2,234,136
4. Step 4: Simplify right side
   1,072,992x = 4,991,363,666,496
5. Step 5: Solve for x
   x = 4,991,363,666,496/1,072,992
6. Step 6: Final answer
   x = 4,651,818.16