Finding the Third Proportional to 19,857,084 and 42,851,145

Step by Step Solution

1. Step 1: Write the proportion equation
   19,857,084 : 42,851,145 = 42,851,145 : x
2. Step 2: Convert to fraction form
   19,857,084/42,851,145 = 42,851,145/x
3. Step 3: Cross multiply
   19,857,084x = 42,851,145 × 42,851,145
4. Step 4: Simplify right side
   19,857,084x = 1,836,220,627,811,025
5. Step 5: Solve for x
   x = 1,836,220,627,811,025/19,857,084
6. Step 6: Final answer
   x = 92,471,816.50