Finding the Third Proportional to 1,696,405 and 3,658,511

Step by Step Solution

1. Step 1: Write the proportion equation
   1,696,405 : 3,658,511 = 3,658,511 : x
2. Step 2: Convert to fraction form
   1,696,405/3,658,511 = 3,658,511/x
3. Step 3: Cross multiply
   1,696,405x = 3,658,511 × 3,658,511
4. Step 4: Simplify right side
   1,696,405x = 13,384,702,737,121
5. Step 5: Solve for x
   x = 13,384,702,737,121/1,696,405
6. Step 6: Final answer
   x = 7,890,039.66