Finding the Third Proportional to 19,860,048 and 42,855,228

Step by Step Solution

1. Step 1: Write the proportion equation
   19,860,048 : 42,855,228 = 42,855,228 : x
2. Step 2: Convert to fraction form
   19,860,048/42,855,228 = 42,855,228/x
3. Step 3: Cross multiply
   19,860,048x = 42,855,228 × 42,855,228
4. Step 4: Simplify right side
   19,860,048x = 1,836,570,566,931,984
5. Step 5: Solve for x
   x = 1,836,570,566,931,984/19,860,048
6. Step 6: Final answer
   x = 92,475,635.86