Finding the Third Proportional to 1,555,878 and 2,097,438

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,878 : 2,097,438 = 2,097,438 : x
2. Step 2: Convert to fraction form
   1,555,878/2,097,438 = 2,097,438/x
3. Step 3: Cross multiply
   1,555,878x = 2,097,438 × 2,097,438
4. Step 4: Simplify right side
   1,555,878x = 4,399,246,163,844
5. Step 5: Solve for x
   x = 4,399,246,163,844/1,555,878
6. Step 6: Final answer
   x = 2,827,500.72