Finding the Third Proportional to 139,014 and 297,712

Step by Step Solution

1. Step 1: Write the proportion equation
   139,014 : 297,712 = 297,712 : x
2. Step 2: Convert to fraction form
   139,014/297,712 = 297,712/x
3. Step 3: Cross multiply
   139,014x = 297,712 × 297,712
4. Step 4: Simplify right side
   139,014x = 88,632,434,944
5. Step 5: Solve for x
   x = 88,632,434,944/139,014
6. Step 6: Final answer
   x = 637,579.20