Finding the Third Proportional to 139,066 and 297,808

Step by Step Solution

1. Step 1: Write the proportion equation
   139,066 : 297,808 = 297,808 : x
2. Step 2: Convert to fraction form
   139,066/297,808 = 297,808/x
3. Step 3: Cross multiply
   139,066x = 297,808 × 297,808
4. Step 4: Simplify right side
   139,066x = 88,689,604,864
5. Step 5: Solve for x
   x = 88,689,604,864/139,066
6. Step 6: Final answer
   x = 637,751.89