Finding the Third Proportional to 901,120 and 1,216,360

Step by Step Solution

1. Step 1: Write the proportion equation
   901,120 : 1,216,360 = 1,216,360 : x
2. Step 2: Convert to fraction form
   901,120/1,216,360 = 1,216,360/x
3. Step 3: Cross multiply
   901,120x = 1,216,360 × 1,216,360
4. Step 4: Simplify right side
   901,120x = 1,479,531,649,600
5. Step 5: Solve for x
   x = 1,479,531,649,600/901,120
6. Step 6: Final answer
   x = 1,641,880.83