Finding the Third Proportional to 3,156,620 and 7,062,808

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156,620 : 7,062,808 = 7,062,808 : x
2. Step 2: Convert to fraction form
   3,156,620/7,062,808 = 7,062,808/x
3. Step 3: Cross multiply
   3,156,620x = 7,062,808 × 7,062,808
4. Step 4: Simplify right side
   3,156,620x = 49,883,256,844,864
5. Step 5: Solve for x
   x = 49,883,256,844,864/3,156,620
6. Step 6: Final answer
   x = 15,802,743.71