Finding the Third Proportional to 722,079 and 1,144,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   722,079 : 1,144,354.50 = 1,144,354.50 : x
2. Step 2: Convert to fraction form
   722,079/1,144,354.50 = 1,144,354.50/x
3. Step 3: Cross multiply
   722,079x = 1,144,354.50 × 1,144,354.50
4. Step 4: Simplify right side
   722,079x = 1,309,547,221,670.25
5. Step 5: Solve for x
   x = 1,309,547,221,670.25/722,079
6. Step 6: Final answer
   x = 1,813,578.88