Finding the Third Proportional to 72,082,238 and 149,274,490

Step by Step Solution

1. Step 1: Write the proportion equation
   72,082,238 : 149,274,490 = 149,274,490 : x
2. Step 2: Convert to fraction form
   72,082,238/149,274,490 = 149,274,490/x
3. Step 3: Cross multiply
   72,082,238x = 149,274,490 × 149,274,490
4. Step 4: Simplify right side
   72,082,238x = 22,282,873,364,760,100
5. Step 5: Solve for x
   x = 22,282,873,364,760,100/72,082,238
6. Step 6: Final answer
   x = 309,131,264.28