Finding the Third Proportional to 1,426,311 and 1,942,623

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,311 : 1,942,623 = 1,942,623 : x
2. Step 2: Convert to fraction form
   1,426,311/1,942,623 = 1,942,623/x
3. Step 3: Cross multiply
   1,426,311x = 1,942,623 × 1,942,623
4. Step 4: Simplify right side
   1,426,311x = 3,773,784,120,129
5. Step 5: Solve for x
   x = 3,773,784,120,129/1,426,311
6. Step 6: Final answer
   x = 2,645,835.39