Finding the Third Proportional to 139,141 and 297,961

Step by Step Solution

1. Step 1: Write the proportion equation
   139,141 : 297,961 = 297,961 : x
2. Step 2: Convert to fraction form
   139,141/297,961 = 297,961/x
3. Step 3: Cross multiply
   139,141x = 297,961 × 297,961
4. Step 4: Simplify right side
   139,141x = 88,780,757,521
5. Step 5: Solve for x
   x = 88,780,757,521/139,141
6. Step 6: Final answer
   x = 638,063.24