Finding the Third Proportional to 1,887,390 and 4,106,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887,390 : 4,106,556 = 4,106,556 : x
2. Step 2: Convert to fraction form
   1,887,390/4,106,556 = 4,106,556/x
3. Step 3: Cross multiply
   1,887,390x = 4,106,556 × 4,106,556
4. Step 4: Simplify right side
   1,887,390x = 16,863,802,181,136
5. Step 5: Solve for x
   x = 16,863,802,181,136/1,887,390
6. Step 6: Final answer
   x = 8,934,985.45