Finding the Third Proportional to 139,008 and 297,699

Step by Step Solution

1. Step 1: Write the proportion equation
   139,008 : 297,699 = 297,699 : x
2. Step 2: Convert to fraction form
   139,008/297,699 = 297,699/x
3. Step 3: Cross multiply
   139,008x = 297,699 × 297,699
4. Step 4: Simplify right side
   139,008x = 88,624,694,601
5. Step 5: Solve for x
   x = 88,624,694,601/139,008
6. Step 6: Final answer
   x = 637,551.04