Finding the Third Proportional to 4,213,454 and 9,337,980

Step by Step Solution

1. Step 1: Write the proportion equation
   4,213,454 : 9,337,980 = 9,337,980 : x
2. Step 2: Convert to fraction form
   4,213,454/9,337,980 = 9,337,980/x
3. Step 3: Cross multiply
   4,213,454x = 9,337,980 × 9,337,980
4. Step 4: Simplify right side
   4,213,454x = 87,197,870,480,400
5. Step 5: Solve for x
   x = 87,197,870,480,400/4,213,454
6. Step 6: Final answer
   x = 20,695,104.42