Finding the Third Proportional to 19,249,311 and 42,802,449

Step by Step Solution

1. Step 1: Write the proportion equation
   19,249,311 : 42,802,449 = 42,802,449 : x
2. Step 2: Convert to fraction form
   19,249,311/42,802,449 = 42,802,449/x
3. Step 3: Cross multiply
   19,249,311x = 42,802,449 × 42,802,449
4. Step 4: Simplify right side
   19,249,311x = 1,832,049,640,397,601
5. Step 5: Solve for x
   x = 1,832,049,640,397,601/19,249,311
6. Step 6: Final answer
   x = 95,174,816.41