Finding the Third Proportional to 82,064,644 and 177,747,500

Step by Step Solution

1. Step 1: Write the proportion equation
   82,064,644 : 177,747,500 = 177,747,500 : x
2. Step 2: Convert to fraction form
   82,064,644/177,747,500 = 177,747,500/x
3. Step 3: Cross multiply
   82,064,644x = 177,747,500 × 177,747,500
4. Step 4: Simplify right side
   82,064,644x = 31,594,173,756,250,000
5. Step 5: Solve for x
   x = 31,594,173,756,250,000/82,064,644
6. Step 6: Final answer
   x = 384,991,297.30