Finding the Third Proportional to 267,776,805 and 413,783,064

Step by Step Solution

1. Step 1: Write the proportion equation
   267,776,805 : 413,783,064 = 413,783,064 : x
2. Step 2: Convert to fraction form
   267,776,805/413,783,064 = 413,783,064/x
3. Step 3: Cross multiply
   267,776,805x = 413,783,064 × 413,783,064
4. Step 4: Simplify right side
   267,776,805x = 171,216,424,053,228,096
5. Step 5: Solve for x
   x = 171,216,424,053,228,096/267,776,805
6. Step 6: Final answer
   x = 639,399,757.02