Finding the Third Proportional to 6,439,056 and 13,406,112

Step by Step Solution

1. Step 1: Write the proportion equation
   6,439,056 : 13,406,112 = 13,406,112 : x
2. Step 2: Convert to fraction form
   6,439,056/13,406,112 = 13,406,112/x
3. Step 3: Cross multiply
   6,439,056x = 13,406,112 × 13,406,112
4. Step 4: Simplify right side
   6,439,056x = 179,723,838,956,544
5. Step 5: Solve for x
   x = 179,723,838,956,544/6,439,056
6. Step 6: Final answer
   x = 27,911,519.79