Finding the Third Proportional to 637,316 and 1,387,024

Step by Step Solution

1. Step 1: Write the proportion equation
   637,316 : 1,387,024 = 1,387,024 : x
2. Step 2: Convert to fraction form
   637,316/1,387,024 = 1,387,024/x
3. Step 3: Cross multiply
   637,316x = 1,387,024 × 1,387,024
4. Step 4: Simplify right side
   637,316x = 1,923,835,576,576
5. Step 5: Solve for x
   x = 1,923,835,576,576/637,316
6. Step 6: Final answer
   x = 3,018,652.56