Finding the Third Proportional to 1,530,429 and 3,340,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,429 : 3,340,620 = 3,340,620 : x
2. Step 2: Convert to fraction form
   1,530,429/3,340,620 = 3,340,620/x
3. Step 3: Cross multiply
   1,530,429x = 3,340,620 × 3,340,620
4. Step 4: Simplify right side
   1,530,429x = 11,159,741,984,400
5. Step 5: Solve for x
   x = 11,159,741,984,400/1,530,429
6. Step 6: Final answer
   x = 7,291,904.42