Finding the Third Proportional to 139,084 and 297,860

Step by Step Solution

1. Step 1: Write the proportion equation
   139,084 : 297,860 = 297,860 : x
2. Step 2: Convert to fraction form
   139,084/297,860 = 297,860/x
3. Step 3: Cross multiply
   139,084x = 297,860 × 297,860
4. Step 4: Simplify right side
   139,084x = 88,720,579,600
5. Step 5: Solve for x
   x = 88,720,579,600/139,084
6. Step 6: Final answer
   x = 637,892.06