Finding the Third Proportional to 1,426,526 and 2,116,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,526 : 2,116,218 = 2,116,218 : x
2. Step 2: Convert to fraction form
   1,426,526/2,116,218 = 2,116,218/x
3. Step 3: Cross multiply
   1,426,526x = 2,116,218 × 2,116,218
4. Step 4: Simplify right side
   1,426,526x = 4,478,378,623,524
5. Step 5: Solve for x
   x = 4,478,378,623,524/1,426,526
6. Step 6: Final answer
   x = 3,139,359.97