Finding the Third Proportional to 145,582 and 308,662

Step by Step Solution

1. Step 1: Write the proportion equation
   145,582 : 308,662 = 308,662 : x
2. Step 2: Convert to fraction form
   145,582/308,662 = 308,662/x
3. Step 3: Cross multiply
   145,582x = 308,662 × 308,662
4. Step 4: Simplify right side
   145,582x = 95,272,230,244
5. Step 5: Solve for x
   x = 95,272,230,244/145,582
6. Step 6: Final answer
   x = 654,423.14