Finding the Third Proportional to 19,494,240 and 42,242,736

Step by Step Solution

1. Step 1: Write the proportion equation
   19,494,240 : 42,242,736 = 42,242,736 : x
2. Step 2: Convert to fraction form
   19,494,240/42,242,736 = 42,242,736/x
3. Step 3: Cross multiply
   19,494,240x = 42,242,736 × 42,242,736
4. Step 4: Simplify right side
   19,494,240x = 1,784,448,744,765,696
5. Step 5: Solve for x
   x = 1,784,448,744,765,696/19,494,240
6. Step 6: Final answer
   x = 91,537,230.73