Finding the Third Proportional to 1,670,822 and 2,690,267

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670,822 : 2,690,267 = 2,690,267 : x
2. Step 2: Convert to fraction form
   1,670,822/2,690,267 = 2,690,267/x
3. Step 3: Cross multiply
   1,670,822x = 2,690,267 × 2,690,267
4. Step 4: Simplify right side
   1,670,822x = 7,237,536,531,289
5. Step 5: Solve for x
   x = 7,237,536,531,289/1,670,822
6. Step 6: Final answer
   x = 4,331,722.07