Finding the Third Proportional to 722,162.50 and 1,117,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   722,162.50 : 1,117,600.50 = 1,117,600.50 : x
2. Step 2: Convert to fraction form
   722,162.50/1,117,600.50 = 1,117,600.50/x
3. Step 3: Cross multiply
   722,162.50x = 1,117,600.50 × 1,117,600.50
4. Step 4: Simplify right side
   722,162.50x = 1,249,030,877,600.25
5. Step 5: Solve for x
   x = 1,249,030,877,600.25/722,162.50
6. Step 6: Final answer
   x = 1,729,570.39