Finding the Third Proportional to 1,961,946 and 4,309,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961,946 : 4,309,556 = 4,309,556 : x
2. Step 2: Convert to fraction form
   1,961,946/4,309,556 = 4,309,556/x
3. Step 3: Cross multiply
   1,961,946x = 4,309,556 × 4,309,556
4. Step 4: Simplify right side
   1,961,946x = 18,572,272,917,136
5. Step 5: Solve for x
   x = 18,572,272,917,136/1,961,946
6. Step 6: Final answer
   x = 9,466,250.81