Finding the Third Proportional to 3,415,818 and 7,338,156

Step by Step Solution

1. Step 1: Write the proportion equation
   3,415,818 : 7,338,156 = 7,338,156 : x
2. Step 2: Convert to fraction form
   3,415,818/7,338,156 = 7,338,156/x
3. Step 3: Cross multiply
   3,415,818x = 7,338,156 × 7,338,156
4. Step 4: Simplify right side
   3,415,818x = 53,848,533,480,336
5. Step 5: Solve for x
   x = 53,848,533,480,336/3,415,818
6. Step 6: Final answer
   x = 15,764,462.12