Finding the Third Proportional to 145,995 and 314,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,995 : 314,479.50 = 314,479.50 : x
2. Step 2: Convert to fraction form
   145,995/314,479.50 = 314,479.50/x
3. Step 3: Cross multiply
   145,995x = 314,479.50 × 314,479.50
4. Step 4: Simplify right side
   145,995x = 98,897,355,920.25
5. Step 5: Solve for x
   x = 98,897,355,920.25/145,995
6. Step 6: Final answer
   x = 677,402.35