Finding the Third Proportional to 3,716,394 and 5,431,139

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716,394 : 5,431,139 = 5,431,139 : x
2. Step 2: Convert to fraction form
   3,716,394/5,431,139 = 5,431,139/x
3. Step 3: Cross multiply
   3,716,394x = 5,431,139 × 5,431,139
4. Step 4: Simplify right side
   3,716,394x = 29,497,270,837,321
5. Step 5: Solve for x
   x = 29,497,270,837,321/3,716,394
6. Step 6: Final answer
   x = 7,937,067.72