Finding the Third Proportional to 1,778,403 and 3,742,647

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,403 : 3,742,647 = 3,742,647 : x
2. Step 2: Convert to fraction form
   1,778,403/3,742,647 = 3,742,647/x
3. Step 3: Cross multiply
   1,778,403x = 3,742,647 × 3,742,647
4. Step 4: Simplify right side
   1,778,403x = 14,007,406,566,609
5. Step 5: Solve for x
   x = 14,007,406,566,609/1,778,403
6. Step 6: Final answer
   x = 7,876,396.16