Finding the Third Proportional to 1,577,940 and 2,563,634

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,940 : 2,563,634 = 2,563,634 : x
2. Step 2: Convert to fraction form
   1,577,940/2,563,634 = 2,563,634/x
3. Step 3: Cross multiply
   1,577,940x = 2,563,634 × 2,563,634
4. Step 4: Simplify right side
   1,577,940x = 6,572,219,285,956
5. Step 5: Solve for x
   x = 6,572,219,285,956/1,577,940
6. Step 6: Final answer
   x = 4,165,062.86