Finding the Third Proportional to 42,404,838 and 91,851,049

Step by Step Solution

1. Step 1: Write the proportion equation
   42,404,838 : 91,851,049 = 91,851,049 : x
2. Step 2: Convert to fraction form
   42,404,838/91,851,049 = 91,851,049/x
3. Step 3: Cross multiply
   42,404,838x = 91,851,049 × 91,851,049
4. Step 4: Simplify right side
   42,404,838x = 8,436,615,202,400,401
5. Step 5: Solve for x
   x = 8,436,615,202,400,401/42,404,838
6. Step 6: Final answer
   x = 198,954,072.23