Finding the Third Proportional to 2,990,776 and 4,485,066

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,776 : 4,485,066 = 4,485,066 : x
2. Step 2: Convert to fraction form
   2,990,776/4,485,066 = 4,485,066/x
3. Step 3: Cross multiply
   2,990,776x = 4,485,066 × 4,485,066
4. Step 4: Simplify right side
   2,990,776x = 20,115,817,024,356
5. Step 5: Solve for x
   x = 20,115,817,024,356/2,990,776
6. Step 6: Final answer
   x = 6,725,952.40