Finding the Third Proportional to 570,142 and 1,230,680

Step by Step Solution

1. Step 1: Write the proportion equation
   570,142 : 1,230,680 = 1,230,680 : x
2. Step 2: Convert to fraction form
   570,142/1,230,680 = 1,230,680/x
3. Step 3: Cross multiply
   570,142x = 1,230,680 × 1,230,680
4. Step 4: Simplify right side
   570,142x = 1,514,573,262,400
5. Step 5: Solve for x
   x = 1,514,573,262,400/570,142
6. Step 6: Final answer
   x = 2,656,484.28