Finding the Third Proportional to 1,572,520 and 2,151,867

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,520 : 2,151,867 = 2,151,867 : x
2. Step 2: Convert to fraction form
   1,572,520/2,151,867 = 2,151,867/x
3. Step 3: Cross multiply
   1,572,520x = 2,151,867 × 2,151,867
4. Step 4: Simplify right side
   1,572,520x = 4,630,531,585,689
5. Step 5: Solve for x
   x = 4,630,531,585,689/1,572,520
6. Step 6: Final answer
   x = 2,944,656.72