Finding the Third Proportional to 139,376 and 296,731

Step by Step Solution

1. Step 1: Write the proportion equation
   139,376 : 296,731 = 296,731 : x
2. Step 2: Convert to fraction form
   139,376/296,731 = 296,731/x
3. Step 3: Cross multiply
   139,376x = 296,731 × 296,731
4. Step 4: Simplify right side
   139,376x = 88,049,286,361
5. Step 5: Solve for x
   x = 88,049,286,361/139,376
6. Step 6: Final answer
   x = 631,739.23