Finding the Third Proportional to 3,276,356 and 5,128,432

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,356 : 5,128,432 = 5,128,432 : x
2. Step 2: Convert to fraction form
   3,276,356/5,128,432 = 5,128,432/x
3. Step 3: Cross multiply
   3,276,356x = 5,128,432 × 5,128,432
4. Step 4: Simplify right side
   3,276,356x = 26,300,814,778,624
5. Step 5: Solve for x
   x = 26,300,814,778,624/3,276,356
6. Step 6: Final answer
   x = 8,027,459.40