Finding the Third Proportional to 560,601 and 881,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,601 : 881,077.50 = 881,077.50 : x
2. Step 2: Convert to fraction form
   560,601/881,077.50 = 881,077.50/x
3. Step 3: Cross multiply
   560,601x = 881,077.50 × 881,077.50
4. Step 4: Simplify right side
   560,601x = 776,297,561,006.25
5. Step 5: Solve for x
   x = 776,297,561,006.25/560,601
6. Step 6: Final answer
   x = 1,384,759.50