Finding the Third Proportional to 144,818 and 307,116

Step by Step Solution

1. Step 1: Write the proportion equation
   144,818 : 307,116 = 307,116 : x
2. Step 2: Convert to fraction form
   144,818/307,116 = 307,116/x
3. Step 3: Cross multiply
   144,818x = 307,116 × 307,116
4. Step 4: Simplify right side
   144,818x = 94,320,237,456
5. Step 5: Solve for x
   x = 94,320,237,456/144,818
6. Step 6: Final answer
   x = 651,301.89