Finding the Third Proportional to 19,511,000 and 42,018,722

Step by Step Solution

1. Step 1: Write the proportion equation
   19,511,000 : 42,018,722 = 42,018,722 : x
2. Step 2: Convert to fraction form
   19,511,000/42,018,722 = 42,018,722/x
3. Step 3: Cross multiply
   19,511,000x = 42,018,722 × 42,018,722
4. Step 4: Simplify right side
   19,511,000x = 1,765,572,998,513,284
5. Step 5: Solve for x
   x = 1,765,572,998,513,284/19,511,000
6. Step 6: Final answer
   x = 90,491,158.76