Finding the Third Proportional to 5,780,434 and 13,385,766

Step by Step Solution

1. Step 1: Write the proportion equation
   5,780,434 : 13,385,766 = 13,385,766 : x
2. Step 2: Convert to fraction form
   5,780,434/13,385,766 = 13,385,766/x
3. Step 3: Cross multiply
   5,780,434x = 13,385,766 × 13,385,766
4. Step 4: Simplify right side
   5,780,434x = 179,178,731,406,756
5. Step 5: Solve for x
   x = 179,178,731,406,756/5,780,434
6. Step 6: Final answer
   x = 30,997,453.03