Finding the Third Proportional to 1,627,640 and 3,535,490

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627,640 : 3,535,490 = 3,535,490 : x
2. Step 2: Convert to fraction form
   1,627,640/3,535,490 = 3,535,490/x
3. Step 3: Cross multiply
   1,627,640x = 3,535,490 × 3,535,490
4. Step 4: Simplify right side
   1,627,640x = 12,499,689,540,100
5. Step 5: Solve for x
   x = 12,499,689,540,100/1,627,640
6. Step 6: Final answer
   x = 7,679,640.18