Finding the Third Proportional to 37,906,824 and 55,438,578

Step by Step Solution

1. Step 1: Write the proportion equation
   37,906,824 : 55,438,578 = 55,438,578 : x
2. Step 2: Convert to fraction form
   37,906,824/55,438,578 = 55,438,578/x
3. Step 3: Cross multiply
   37,906,824x = 55,438,578 × 55,438,578
4. Step 4: Simplify right side
   37,906,824x = 3,073,435,930,662,084
5. Step 5: Solve for x
   x = 3,073,435,930,662,084/37,906,824
6. Step 6: Final answer
   x = 81,078,697.88