Finding the Third Proportional to 2,142,478 and 2,937,809

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,478 : 2,937,809 = 2,937,809 : x
2. Step 2: Convert to fraction form
   2,142,478/2,937,809 = 2,937,809/x
3. Step 3: Cross multiply
   2,142,478x = 2,937,809 × 2,937,809
4. Step 4: Simplify right side
   2,142,478x = 8,630,721,720,481
5. Step 5: Solve for x
   x = 8,630,721,720,481/2,142,478
6. Step 6: Final answer
   x = 4,028,382.89