Finding the Third Proportional to 83,415,240 and 181,659,780

Step by Step Solution

1. Step 1: Write the proportion equation
   83,415,240 : 181,659,780 = 181,659,780 : x
2. Step 2: Convert to fraction form
   83,415,240/181,659,780 = 181,659,780/x
3. Step 3: Cross multiply
   83,415,240x = 181,659,780 × 181,659,780
4. Step 4: Simplify right side
   83,415,240x = 33,000,275,669,648,400
5. Step 5: Solve for x
   x = 33,000,275,669,648,400/83,415,240
6. Step 6: Final answer
   x = 395,614,466.49