Finding the Third Proportional to 3,640,400 and 4,900,719

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640,400 : 4,900,719 = 4,900,719 : x
2. Step 2: Convert to fraction form
   3,640,400/4,900,719 = 4,900,719/x
3. Step 3: Cross multiply
   3,640,400x = 4,900,719 × 4,900,719
4. Step 4: Simplify right side
   3,640,400x = 24,017,046,716,961
5. Step 5: Solve for x
   x = 24,017,046,716,961/3,640,400
6. Step 6: Final answer
   x = 6,597,364.77