Finding the Third Proportional to 2,028,572 and 3,159,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,572 : 3,159,178 = 3,159,178 : x
2. Step 2: Convert to fraction form
   2,028,572/3,159,178 = 3,159,178/x
3. Step 3: Cross multiply
   2,028,572x = 3,159,178 × 3,159,178
4. Step 4: Simplify right side
   2,028,572x = 9,980,405,635,684
5. Step 5: Solve for x
   x = 9,980,405,635,684/2,028,572
6. Step 6: Final answer
   x = 4,919,916.89