Finding the Third Proportional to 19,943,982 and 42,867,018

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,982 : 42,867,018 = 42,867,018 : x
2. Step 2: Convert to fraction form
   19,943,982/42,867,018 = 42,867,018/x
3. Step 3: Cross multiply
   19,943,982x = 42,867,018 × 42,867,018
4. Step 4: Simplify right side
   19,943,982x = 1,837,581,232,212,324
5. Step 5: Solve for x
   x = 1,837,581,232,212,324/19,943,982
6. Step 6: Final answer
   x = 92,137,128.49