Finding the Third Proportional to 72,082,184 and 149,274,388

Step by Step Solution

1. Step 1: Write the proportion equation
   72,082,184 : 149,274,388 = 149,274,388 : x
2. Step 2: Convert to fraction form
   72,082,184/149,274,388 = 149,274,388/x
3. Step 3: Cross multiply
   72,082,184x = 149,274,388 × 149,274,388
4. Step 4: Simplify right side
   72,082,184x = 22,282,842,912,774,544
5. Step 5: Solve for x
   x = 22,282,842,912,774,544/72,082,184
6. Step 6: Final answer
   x = 309,131,073.40