Finding the Third Proportional to 1,563,718 and 3,426,374

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,718 : 3,426,374 = 3,426,374 : x
2. Step 2: Convert to fraction form
   1,563,718/3,426,374 = 3,426,374/x
3. Step 3: Cross multiply
   1,563,718x = 3,426,374 × 3,426,374
4. Step 4: Simplify right side
   1,563,718x = 11,740,038,787,876
5. Step 5: Solve for x
   x = 11,740,038,787,876/1,563,718
6. Step 6: Final answer
   x = 7,507,772.37