Finding the Third Proportional to 139,080 and 297,848

Step by Step Solution

1. Step 1: Write the proportion equation
   139,080 : 297,848 = 297,848 : x
2. Step 2: Convert to fraction form
   139,080/297,848 = 297,848/x
3. Step 3: Cross multiply
   139,080x = 297,848 × 297,848
4. Step 4: Simplify right side
   139,080x = 88,713,431,104
5. Step 5: Solve for x
   x = 88,713,431,104/139,080
6. Step 6: Final answer
   x = 637,859.01