Finding the Third Proportional to 140,654 and 308,011

Step by Step Solution

1. Step 1: Write the proportion equation
   140,654 : 308,011 = 308,011 : x
2. Step 2: Convert to fraction form
   140,654/308,011 = 308,011/x
3. Step 3: Cross multiply
   140,654x = 308,011 × 308,011
4. Step 4: Simplify right side
   140,654x = 94,870,776,121
5. Step 5: Solve for x
   x = 94,870,776,121/140,654
6. Step 6: Final answer
   x = 674,497.53