Finding the Third Proportional to 3,669,239 and 7,782,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,239 : 7,782,440 = 7,782,440 : x
2. Step 2: Convert to fraction form
   3,669,239/7,782,440 = 7,782,440/x
3. Step 3: Cross multiply
   3,669,239x = 7,782,440 × 7,782,440
4. Step 4: Simplify right side
   3,669,239x = 60,566,372,353,600
5. Step 5: Solve for x
   x = 60,566,372,353,600/3,669,239
6. Step 6: Final answer
   x = 16,506,521.48