Finding the Third Proportional to 19,315,616 and 40,934,142

Step by Step Solution

1. Step 1: Write the proportion equation
   19,315,616 : 40,934,142 = 40,934,142 : x
2. Step 2: Convert to fraction form
   19,315,616/40,934,142 = 40,934,142/x
3. Step 3: Cross multiply
   19,315,616x = 40,934,142 × 40,934,142
4. Step 4: Simplify right side
   19,315,616x = 1,675,603,981,276,164
5. Step 5: Solve for x
   x = 1,675,603,981,276,164/19,315,616
6. Step 6: Final answer
   x = 86,748,669.12