Finding the Third Proportional to 158,245,912,996 and 213,510,891,908

Step by Step Solution

1. Step 1: Write the proportion equation
   158,245,912,996 : 213,510,891,908 = 213,510,891,908 : x
2. Step 2: Convert to fraction form
   158,245,912,996/213,510,891,908 = 213,510,891,908/x
3. Step 3: Cross multiply
   158,245,912,996x = 213,510,891,908 × 213,510,891,908
4. Step 4: Simplify right side
   158,245,912,996x = 45,586,900,963,349,657,288,704
5. Step 5: Solve for x
   x = 45,586,900,963,349,657,288,704/158,245,912,996
6. Step 6: Final answer
   x = 288,076,324,375.61