Finding the Third Proportional to 1,572,518 and 2,151,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,518 : 2,151,864 = 2,151,864 : x
2. Step 2: Convert to fraction form
   1,572,518/2,151,864 = 2,151,864/x
3. Step 3: Cross multiply
   1,572,518x = 2,151,864 × 2,151,864
4. Step 4: Simplify right side
   1,572,518x = 4,630,518,674,496
5. Step 5: Solve for x
   x = 4,630,518,674,496/1,572,518
6. Step 6: Final answer
   x = 2,944,652.25