Finding the Third Proportional to 117,065,772 and 252,111,924

Step by Step Solution

1. Step 1: Write the proportion equation
   117,065,772 : 252,111,924 = 252,111,924 : x
2. Step 2: Convert to fraction form
   117,065,772/252,111,924 = 252,111,924/x
3. Step 3: Cross multiply
   117,065,772x = 252,111,924 × 252,111,924
4. Step 4: Simplify right side
   117,065,772x = 63,560,422,222,981,776
5. Step 5: Solve for x
   x = 63,560,422,222,981,776/117,065,772
6. Step 6: Final answer
   x = 542,946,252.67