Finding the Third Proportional to 139,002 and 297,687

Step by Step Solution

1. Step 1: Write the proportion equation
   139,002 : 297,687 = 297,687 : x
2. Step 2: Convert to fraction form
   139,002/297,687 = 297,687/x
3. Step 3: Cross multiply
   139,002x = 297,687 × 297,687
4. Step 4: Simplify right side
   139,002x = 88,617,549,969
5. Step 5: Solve for x
   x = 88,617,549,969/139,002
6. Step 6: Final answer
   x = 637,527.16