Finding the Third Proportional to 3,419,028 and 7,312,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419,028 : 7,312,392 = 7,312,392 : x
2. Step 2: Convert to fraction form
   3,419,028/7,312,392 = 7,312,392/x
3. Step 3: Cross multiply
   3,419,028x = 7,312,392 × 7,312,392
4. Step 4: Simplify right side
   3,419,028x = 53,471,076,761,664
5. Step 5: Solve for x
   x = 53,471,076,761,664/3,419,028
6. Step 6: Final answer
   x = 15,639,262.61