Finding the Third Proportional to 4,290,753 and 9,400,902

Step by Step Solution

1. Step 1: Write the proportion equation
   4,290,753 : 9,400,902 = 9,400,902 : x
2. Step 2: Convert to fraction form
   4,290,753/9,400,902 = 9,400,902/x
3. Step 3: Cross multiply
   4,290,753x = 9,400,902 × 9,400,902
4. Step 4: Simplify right side
   4,290,753x = 88,376,958,413,604
5. Step 5: Solve for x
   x = 88,376,958,413,604/4,290,753
6. Step 6: Final answer
   x = 20,597,074.32