Finding the Third Proportional to 4,253,390 and 9,333,466

Step by Step Solution

1. Step 1: Write the proportion equation
   4,253,390 : 9,333,466 = 9,333,466 : x
2. Step 2: Convert to fraction form
   4,253,390/9,333,466 = 9,333,466/x
3. Step 3: Cross multiply
   4,253,390x = 9,333,466 × 9,333,466
4. Step 4: Simplify right side
   4,253,390x = 87,113,587,573,156
5. Step 5: Solve for x
   x = 87,113,587,573,156/4,253,390
6. Step 6: Final answer
   x = 20,480,978.13