Finding the Third Proportional to 807,647.50 and 1,250,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   807,647.50 : 1,250,415.50 = 1,250,415.50 : x
2. Step 2: Convert to fraction form
   807,647.50/1,250,415.50 = 1,250,415.50/x
3. Step 3: Cross multiply
   807,647.50x = 1,250,415.50 × 1,250,415.50
4. Step 4: Simplify right side
   807,647.50x = 1,563,538,922,640.25
5. Step 5: Solve for x
   x = 1,563,538,922,640.25/807,647.50
6. Step 6: Final answer
   x = 1,935,917.49