Finding the Third Proportional to 567,191 and 878,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   567,191 : 878,671.50 = 878,671.50 : x
2. Step 2: Convert to fraction form
   567,191/878,671.50 = 878,671.50/x
3. Step 3: Cross multiply
   567,191x = 878,671.50 × 878,671.50
4. Step 4: Simplify right side
   567,191x = 772,063,604,912.25
5. Step 5: Solve for x
   x = 772,063,604,912.25/567,191
6. Step 6: Final answer
   x = 1,361,205.67