Finding the Third Proportional to 3,669,209 and 7,782,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,209 : 7,782,380 = 7,782,380 : x
2. Step 2: Convert to fraction form
   3,669,209/7,782,380 = 7,782,380/x
3. Step 3: Cross multiply
   3,669,209x = 7,782,380 × 7,782,380
4. Step 4: Simplify right side
   3,669,209x = 60,565,438,464,400
5. Step 5: Solve for x
   x = 60,565,438,464,400/3,669,209
6. Step 6: Final answer
   x = 16,506,401.92