Finding the Third Proportional to 3,116,172 and 4,786,822

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116,172 : 4,786,822 = 4,786,822 : x
2. Step 2: Convert to fraction form
   3,116,172/4,786,822 = 4,786,822/x
3. Step 3: Cross multiply
   3,116,172x = 4,786,822 × 4,786,822
4. Step 4: Simplify right side
   3,116,172x = 22,913,664,859,684
5. Step 5: Solve for x
   x = 22,913,664,859,684/3,116,172
6. Step 6: Final answer
   x = 7,353,145.10