Finding the Third Proportional to 505,599,936 and 755,086,752

Step by Step Solution

1. Step 1: Write the proportion equation
   505,599,936 : 755,086,752 = 755,086,752 : x
2. Step 2: Convert to fraction form
   505,599,936/755,086,752 = 755,086,752/x
3. Step 3: Cross multiply
   505,599,936x = 755,086,752 × 755,086,752
4. Step 4: Simplify right side
   505,599,936x = 570,156,003,045,909,504
5. Step 5: Solve for x
   x = 570,156,003,045,909,504/505,599,936
6. Step 6: Final answer
   x = 1,127,682,110.79