Finding the Third Proportional to 144,058,425 and 309,965,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,058,425 : 309,965,959.50 = 309,965,959.50 : x
2. Step 2: Convert to fraction form
   144,058,425/309,965,959.50 = 309,965,959.50/x
3. Step 3: Cross multiply
   144,058,425x = 309,965,959.50 × 309,965,959.50
4. Step 4: Simplify right side
   144,058,425x = 96,078,896,048,755,648
5. Step 5: Solve for x
   x = 96,078,896,048,755,648/144,058,425
6. Step 6: Final answer
   x = 666,943,957.28