Finding the Third Proportional to 116,243,842 and 252,917,018

Step by Step Solution

1. Step 1: Write the proportion equation
   116,243,842 : 252,917,018 = 252,917,018 : x
2. Step 2: Convert to fraction form
   116,243,842/252,917,018 = 252,917,018/x
3. Step 3: Cross multiply
   116,243,842x = 252,917,018 × 252,917,018
4. Step 4: Simplify right side
   116,243,842x = 63,967,017,994,012,320
5. Step 5: Solve for x
   x = 63,967,017,994,012,320/116,243,842
6. Step 6: Final answer
   x = 550,283,067.85