Finding the Third Proportional to 637,321 and 1,387,034

Step by Step Solution

1. Step 1: Write the proportion equation
   637,321 : 1,387,034 = 1,387,034 : x
2. Step 2: Convert to fraction form
   637,321/1,387,034 = 1,387,034/x
3. Step 3: Cross multiply
   637,321x = 1,387,034 × 1,387,034
4. Step 4: Simplify right side
   637,321x = 1,923,863,317,156
5. Step 5: Solve for x
   x = 1,923,863,317,156/637,321
6. Step 6: Final answer
   x = 3,018,672.41