Finding the Third Proportional to 1,870,778 and 2,915,679

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,778 : 2,915,679 = 2,915,679 : x
2. Step 2: Convert to fraction form
   1,870,778/2,915,679 = 2,915,679/x
3. Step 3: Cross multiply
   1,870,778x = 2,915,679 × 2,915,679
4. Step 4: Simplify right side
   1,870,778x = 8,501,184,031,041
5. Step 5: Solve for x
   x = 8,501,184,031,041/1,870,778
6. Step 6: Final answer
   x = 4,544,197.14