Finding the Third Proportional to 1,696,408 and 3,658,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,696,408 : 3,658,516 = 3,658,516 : x
2. Step 2: Convert to fraction form
   1,696,408/3,658,516 = 3,658,516/x
3. Step 3: Cross multiply
   1,696,408x = 3,658,516 × 3,658,516
4. Step 4: Simplify right side
   1,696,408x = 13,384,739,322,256
5. Step 5: Solve for x
   x = 13,384,739,322,256/1,696,408
6. Step 6: Final answer
   x = 7,890,047.28