Finding the Third Proportional to 729,856.50 and 1,093,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   729,856.50 : 1,093,690.50 = 1,093,690.50 : x
2. Step 2: Convert to fraction form
   729,856.50/1,093,690.50 = 1,093,690.50/x
3. Step 3: Cross multiply
   729,856.50x = 1,093,690.50 × 1,093,690.50
4. Step 4: Simplify right side
   729,856.50x = 1,196,158,909,790.25
5. Step 5: Solve for x
   x = 1,196,158,909,790.25/729,856.50
6. Step 6: Final answer
   x = 1,638,896.02