Finding the Third Proportional to 3,412,370 and 7,899,773

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,370 : 7,899,773 = 7,899,773 : x
2. Step 2: Convert to fraction form
   3,412,370/7,899,773 = 7,899,773/x
3. Step 3: Cross multiply
   3,412,370x = 7,899,773 × 7,899,773
4. Step 4: Simplify right side
   3,412,370x = 62,406,413,451,529
5. Step 5: Solve for x
   x = 62,406,413,451,529/3,412,370
6. Step 6: Final answer
   x = 18,288,290.38