Finding the Third Proportional to 1,670,820 and 2,690,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670,820 : 2,690,264 = 2,690,264 : x
2. Step 2: Convert to fraction form
   1,670,820/2,690,264 = 2,690,264/x
3. Step 3: Cross multiply
   1,670,820x = 2,690,264 × 2,690,264
4. Step 4: Simplify right side
   1,670,820x = 7,237,520,389,696
5. Step 5: Solve for x
   x = 7,237,520,389,696/1,670,820
6. Step 6: Final answer
   x = 4,331,717.59