Finding the Third Proportional to 1,692,911 and 3,618,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,692,911 : 3,618,778 = 3,618,778 : x
2. Step 2: Convert to fraction form
   1,692,911/3,618,778 = 3,618,778/x
3. Step 3: Cross multiply
   1,692,911x = 3,618,778 × 3,618,778
4. Step 4: Simplify right side
   1,692,911x = 13,095,554,213,284
5. Step 5: Solve for x
   x = 13,095,554,213,284/1,692,911
6. Step 6: Final answer
   x = 7,735,524.32