Finding the Third Proportional to 2,072,889 and 4,485,310

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,889 : 4,485,310 = 4,485,310 : x
2. Step 2: Convert to fraction form
   2,072,889/4,485,310 = 4,485,310/x
3. Step 3: Cross multiply
   2,072,889x = 4,485,310 × 4,485,310
4. Step 4: Simplify right side
   2,072,889x = 20,118,005,796,100
5. Step 5: Solve for x
   x = 20,118,005,796,100/2,072,889
6. Step 6: Final answer
   x = 9,705,298.16