Finding the Third Proportional to 4,227,312 and 9,422,800

Step by Step Solution

1. Step 1: Write the proportion equation
   4,227,312 : 9,422,800 = 9,422,800 : x
2. Step 2: Convert to fraction form
   4,227,312/9,422,800 = 9,422,800/x
3. Step 3: Cross multiply
   4,227,312x = 9,422,800 × 9,422,800
4. Step 4: Simplify right side
   4,227,312x = 88,789,159,840,000
5. Step 5: Solve for x
   x = 88,789,159,840,000/4,227,312
6. Step 6: Final answer
   x = 21,003,692.14