Finding the Third Proportional to 99,298,719 and 154,144,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,298,719 : 154,144,390.50 = 154,144,390.50 : x
2. Step 2: Convert to fraction form
   99,298,719/154,144,390.50 = 154,144,390.50/x
3. Step 3: Cross multiply
   99,298,719x = 154,144,390.50 × 154,144,390.50
4. Step 4: Simplify right side
   99,298,719x = 23,760,493,122,616,492
5. Step 5: Solve for x
   x = 23,760,493,122,616,492/99,298,719
6. Step 6: Final answer
   x = 239,282,977.28