Finding the Third Proportional to 2,990,784 and 4,485,077

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,784 : 4,485,077 = 4,485,077 : x
2. Step 2: Convert to fraction form
   2,990,784/4,485,077 = 4,485,077/x
3. Step 3: Cross multiply
   2,990,784x = 4,485,077 × 4,485,077
4. Step 4: Simplify right side
   2,990,784x = 20,115,915,695,929
5. Step 5: Solve for x
   x = 20,115,915,695,929/2,990,784
6. Step 6: Final answer
   x = 6,725,967.40