Finding the Third Proportional to 747,771.50 and 1,122,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   747,771.50 : 1,122,605.50 = 1,122,605.50 : x
2. Step 2: Convert to fraction form
   747,771.50/1,122,605.50 = 1,122,605.50/x
3. Step 3: Cross multiply
   747,771.50x = 1,122,605.50 × 1,122,605.50
4. Step 4: Simplify right side
   747,771.50x = 1,260,243,108,630.25
5. Step 5: Solve for x
   x = 1,260,243,108,630.25/747,771.50
6. Step 6: Final answer
   x = 1,685,331.83