Finding the Third Proportional to 277,587 and 605,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   277,587 : 605,110.50 = 605,110.50 : x
2. Step 2: Convert to fraction form
   277,587/605,110.50 = 605,110.50/x
3. Step 3: Cross multiply
   277,587x = 605,110.50 × 605,110.50
4. Step 4: Simplify right side
   277,587x = 366,158,717,210.25
5. Step 5: Solve for x
   x = 366,158,717,210.25/277,587
6. Step 6: Final answer
   x = 1,319,077.32