Finding the Third Proportional to 724,240 and 1,064,160

Step by Step Solution

1. Step 1: Write the proportion equation
   724,240 : 1,064,160 = 1,064,160 : x
2. Step 2: Convert to fraction form
   724,240/1,064,160 = 1,064,160/x
3. Step 3: Cross multiply
   724,240x = 1,064,160 × 1,064,160
4. Step 4: Simplify right side
   724,240x = 1,132,436,505,600
5. Step 5: Solve for x
   x = 1,132,436,505,600/724,240
6. Step 6: Final answer
   x = 1,563,620.49