Finding the Third Proportional to 19,639,016 and 42,677,448

Step by Step Solution

1. Step 1: Write the proportion equation
   19,639,016 : 42,677,448 = 42,677,448 : x
2. Step 2: Convert to fraction form
   19,639,016/42,677,448 = 42,677,448/x
3. Step 3: Cross multiply
   19,639,016x = 42,677,448 × 42,677,448
4. Step 4: Simplify right side
   19,639,016x = 1,821,364,567,792,704
5. Step 5: Solve for x
   x = 1,821,364,567,792,704/19,639,016
6. Step 6: Final answer
   x = 92,742,150.00