Finding the Third Proportional to 4,753,072 and 9,897,820

Step by Step Solution

1. Step 1: Write the proportion equation
   4,753,072 : 9,897,820 = 9,897,820 : x
2. Step 2: Convert to fraction form
   4,753,072/9,897,820 = 9,897,820/x
3. Step 3: Cross multiply
   4,753,072x = 9,897,820 × 9,897,820
4. Step 4: Simplify right side
   4,753,072x = 97,966,840,752,400
5. Step 5: Solve for x
   x = 97,966,840,752,400/4,753,072
6. Step 6: Final answer
   x = 20,611,267.99