Finding the Third Proportional to 3,276,412 and 5,128,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,412 : 5,128,520 = 5,128,520 : x
2. Step 2: Convert to fraction form
   3,276,412/5,128,520 = 5,128,520/x
3. Step 3: Cross multiply
   3,276,412x = 5,128,520 × 5,128,520
4. Step 4: Simplify right side
   3,276,412x = 26,301,717,390,400
5. Step 5: Solve for x
   x = 26,301,717,390,400/3,276,412
6. Step 6: Final answer
   x = 8,027,597.69