Finding the Third Proportional to 140,278 and 307,736

Step by Step Solution

1. Step 1: Write the proportion equation
   140,278 : 307,736 = 307,736 : x
2. Step 2: Convert to fraction form
   140,278/307,736 = 307,736/x
3. Step 3: Cross multiply
   140,278x = 307,736 × 307,736
4. Step 4: Simplify right side
   140,278x = 94,701,445,696
5. Step 5: Solve for x
   x = 94,701,445,696/140,278
6. Step 6: Final answer
   x = 675,098.35