Finding the Third Proportional to 1,668,688 and 3,669,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,688 : 3,669,056 = 3,669,056 : x
2. Step 2: Convert to fraction form
   1,668,688/3,669,056 = 3,669,056/x
3. Step 3: Cross multiply
   1,668,688x = 3,669,056 × 3,669,056
4. Step 4: Simplify right side
   1,668,688x = 13,461,971,931,136
5. Step 5: Solve for x
   x = 13,461,971,931,136/1,668,688
6. Step 6: Final answer
   x = 8,067,399.02