Finding the Third Proportional to 139,159 and 297,995

Step by Step Solution

1. Step 1: Write the proportion equation
   139,159 : 297,995 = 297,995 : x
2. Step 2: Convert to fraction form
   139,159/297,995 = 297,995/x
3. Step 3: Cross multiply
   139,159x = 297,995 × 297,995
4. Step 4: Simplify right side
   139,159x = 88,801,020,025
5. Step 5: Solve for x
   x = 88,801,020,025/139,159
6. Step 6: Final answer
   x = 638,126.32