Finding the Third Proportional to 2,645,438 and 4,088,793

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,438 : 4,088,793 = 4,088,793 : x
2. Step 2: Convert to fraction form
   2,645,438/4,088,793 = 4,088,793/x
3. Step 3: Cross multiply
   2,645,438x = 4,088,793 × 4,088,793
4. Step 4: Simplify right side
   2,645,438x = 16,718,228,196,849
5. Step 5: Solve for x
   x = 16,718,228,196,849/2,645,438
6. Step 6: Final answer
   x = 6,319,644.69