Finding the Third Proportional to 722,572 and 1,016,640

Step by Step Solution

1. Step 1: Write the proportion equation
   722,572 : 1,016,640 = 1,016,640 : x
2. Step 2: Convert to fraction form
   722,572/1,016,640 = 1,016,640/x
3. Step 3: Cross multiply
   722,572x = 1,016,640 × 1,016,640
4. Step 4: Simplify right side
   722,572x = 1,033,556,889,600
5. Step 5: Solve for x
   x = 1,033,556,889,600/722,572
6. Step 6: Final answer
   x = 1,430,386.02