Finding the Third Proportional to 140,245 and 308,527

Step by Step Solution

1. Step 1: Write the proportion equation
   140,245 : 308,527 = 308,527 : x
2. Step 2: Convert to fraction form
   140,245/308,527 = 308,527/x
3. Step 3: Cross multiply
   140,245x = 308,527 × 308,527
4. Step 4: Simplify right side
   140,245x = 95,188,909,729
5. Step 5: Solve for x
   x = 95,188,909,729/140,245
6. Step 6: Final answer
   x = 678,733.00