Finding the Third Proportional to 3,493,880 and 7,407,646

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,880 : 7,407,646 = 7,407,646 : x
2. Step 2: Convert to fraction form
   3,493,880/7,407,646 = 7,407,646/x
3. Step 3: Cross multiply
   3,493,880x = 7,407,646 × 7,407,646
4. Step 4: Simplify right side
   3,493,880x = 54,873,219,261,316
5. Step 5: Solve for x
   x = 54,873,219,261,316/3,493,880
6. Step 6: Final answer
   x = 15,705,524.88