Finding the Third Proportional to 585,090 and 1,216,164

Step by Step Solution

1. Step 1: Write the proportion equation
   585,090 : 1,216,164 = 1,216,164 : x
2. Step 2: Convert to fraction form
   585,090/1,216,164 = 1,216,164/x
3. Step 3: Cross multiply
   585,090x = 1,216,164 × 1,216,164
4. Step 4: Simplify right side
   585,090x = 1,479,054,874,896
5. Step 5: Solve for x
   x = 1,479,054,874,896/585,090
6. Step 6: Final answer
   x = 2,527,910.02