Finding the Third Proportional to 2,477,187 and 3,488,328

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477,187 : 3,488,328 = 3,488,328 : x
2. Step 2: Convert to fraction form
   2,477,187/3,488,328 = 3,488,328/x
3. Step 3: Cross multiply
   2,477,187x = 3,488,328 × 3,488,328
4. Step 4: Simplify right side
   2,477,187x = 12,168,432,235,584
5. Step 5: Solve for x
   x = 12,168,432,235,584/2,477,187
6. Step 6: Final answer
   x = 4,912,197.68