Finding the Third Proportional to 570,696 and 1,215,120

Step by Step Solution

1. Step 1: Write the proportion equation
   570,696 : 1,215,120 = 1,215,120 : x
2. Step 2: Convert to fraction form
   570,696/1,215,120 = 1,215,120/x
3. Step 3: Cross multiply
   570,696x = 1,215,120 × 1,215,120
4. Step 4: Simplify right side
   570,696x = 1,476,516,614,400
5. Step 5: Solve for x
   x = 1,476,516,614,400/570,696
6. Step 6: Final answer
   x = 2,587,220.89