Finding the Third Proportional to 139,010 and 297,704

Step by Step Solution

1. Step 1: Write the proportion equation
   139,010 : 297,704 = 297,704 : x
2. Step 2: Convert to fraction form
   139,010/297,704 = 297,704/x
3. Step 3: Cross multiply
   139,010x = 297,704 × 297,704
4. Step 4: Simplify right side
   139,010x = 88,627,671,616
5. Step 5: Solve for x
   x = 88,627,671,616/139,010
6. Step 6: Final answer
   x = 637,563.28