Finding the Third Proportional to 139,394.50 and 296,771

Step by Step Solution

1. Step 1: Write the proportion equation
   139,394.50 : 296,771 = 296,771 : x
2. Step 2: Convert to fraction form
   139,394.50/296,771 = 296,771/x
3. Step 3: Cross multiply
   139,394.50x = 296,771 × 296,771
4. Step 4: Simplify right side
   139,394.50x = 88,073,026,441
5. Step 5: Solve for x
   x = 88,073,026,441/139,394.50
6. Step 6: Final answer
   x = 631,825.69