Finding the Third Proportional to 19,262,142 and 40,118,616

Step by Step Solution

1. Step 1: Write the proportion equation
   19,262,142 : 40,118,616 = 40,118,616 : x
2. Step 2: Convert to fraction form
   19,262,142/40,118,616 = 40,118,616/x
3. Step 3: Cross multiply
   19,262,142x = 40,118,616 × 40,118,616
4. Step 4: Simplify right side
   19,262,142x = 1,609,503,349,755,456
5. Step 5: Solve for x
   x = 1,609,503,349,755,456/19,262,142
6. Step 6: Final answer
   x = 83,557,859.23