Finding the Third Proportional to 82,064,656 and 177,747,520

Step by Step Solution

1. Step 1: Write the proportion equation
   82,064,656 : 177,747,520 = 177,747,520 : x
2. Step 2: Convert to fraction form
   82,064,656/177,747,520 = 177,747,520/x
3. Step 3: Cross multiply
   82,064,656x = 177,747,520 × 177,747,520
4. Step 4: Simplify right side
   82,064,656x = 31,594,180,866,150,400
5. Step 5: Solve for x
   x = 31,594,180,866,150,400/82,064,656
6. Step 6: Final answer
   x = 384,991,327.64