Finding the Third Proportional to 9,772,372 and 21,059,413

Step by Step Solution

1. Step 1: Write the proportion equation
   9,772,372 : 21,059,413 = 21,059,413 : x
2. Step 2: Convert to fraction form
   9,772,372/21,059,413 = 21,059,413/x
3. Step 3: Cross multiply
   9,772,372x = 21,059,413 × 21,059,413
4. Step 4: Simplify right side
   9,772,372x = 443,498,875,904,569
5. Step 5: Solve for x
   x = 443,498,875,904,569/9,772,372
6. Step 6: Final answer
   x = 45,382,930.15