Finding the Third Proportional to 3,276,436 and 5,128,566

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,436 : 5,128,566 = 5,128,566 : x
2. Step 2: Convert to fraction form
   3,276,436/5,128,566 = 5,128,566/x
3. Step 3: Cross multiply
   3,276,436x = 5,128,566 × 5,128,566
4. Step 4: Simplify right side
   3,276,436x = 26,302,189,216,356
5. Step 5: Solve for x
   x = 26,302,189,216,356/3,276,436
6. Step 6: Final answer
   x = 8,027,682.89