Finding the Third Proportional to 19,965,672 and 42,957,660

Step by Step Solution

1. Step 1: Write the proportion equation
   19,965,672 : 42,957,660 = 42,957,660 : x
2. Step 2: Convert to fraction form
   19,965,672/42,957,660 = 42,957,660/x
3. Step 3: Cross multiply
   19,965,672x = 42,957,660 × 42,957,660
4. Step 4: Simplify right side
   19,965,672x = 1,845,360,552,675,600
5. Step 5: Solve for x
   x = 1,845,360,552,675,600/19,965,672
6. Step 6: Final answer
   x = 92,426,668.77