Finding the Third Proportional to 99,298,980 and 154,144,836

Step by Step Solution

1. Step 1: Write the proportion equation
   99,298,980 : 154,144,836 = 154,144,836 : x
2. Step 2: Convert to fraction form
   99,298,980/154,144,836 = 154,144,836/x
3. Step 3: Cross multiply
   99,298,980x = 154,144,836 × 154,144,836
4. Step 4: Simplify right side
   99,298,980x = 23,760,630,465,466,896
5. Step 5: Solve for x
   x = 23,760,630,465,466,896/99,298,980
6. Step 6: Final answer
   x = 239,283,731.47