Finding the Third Proportional to 567,175.50 and 878,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   567,175.50 : 878,647.50 = 878,647.50 : x
2. Step 2: Convert to fraction form
   567,175.50/878,647.50 = 878,647.50/x
3. Step 3: Cross multiply
   567,175.50x = 878,647.50 × 878,647.50
4. Step 4: Simplify right side
   567,175.50x = 772,021,429,256.25
5. Step 5: Solve for x
   x = 772,021,429,256.25/567,175.50
6. Step 6: Final answer
   x = 1,361,168.51