Finding the Third Proportional to 144,164,472 and 298,548,972

Step by Step Solution

1. Step 1: Write the proportion equation
   144,164,472 : 298,548,972 = 298,548,972 : x
2. Step 2: Convert to fraction form
   144,164,472/298,548,972 = 298,548,972/x
3. Step 3: Cross multiply
   144,164,472x = 298,548,972 × 298,548,972
4. Step 4: Simplify right side
   144,164,472x = 89,131,488,682,256,784
5. Step 5: Solve for x
   x = 89,131,488,682,256,784/144,164,472
6. Step 6: Final answer
   x = 618,262,512.57