Finding the Third Proportional to 4,309,826 and 9,376,342

Step by Step Solution

1. Step 1: Write the proportion equation
   4,309,826 : 9,376,342 = 9,376,342 : x
2. Step 2: Convert to fraction form
   4,309,826/9,376,342 = 9,376,342/x
3. Step 3: Cross multiply
   4,309,826x = 9,376,342 × 9,376,342
4. Step 4: Simplify right side
   4,309,826x = 87,915,789,300,964
5. Step 5: Solve for x
   x = 87,915,789,300,964/4,309,826
6. Step 6: Final answer
   x = 20,398,918.49