Finding the Third Proportional to 139,373 and 296,725

Step by Step Solution

1. Step 1: Write the proportion equation
   139,373 : 296,725 = 296,725 : x
2. Step 2: Convert to fraction form
   139,373/296,725 = 296,725/x
3. Step 3: Cross multiply
   139,373x = 296,725 × 296,725
4. Step 4: Simplify right side
   139,373x = 88,045,725,625
5. Step 5: Solve for x
   x = 88,045,725,625/139,373
6. Step 6: Final answer
   x = 631,727.28