Finding the Third Proportional to 909,457 and 1,980,375

Step by Step Solution

1. Step 1: Write the proportion equation
   909,457 : 1,980,375 = 1,980,375 : x
2. Step 2: Convert to fraction form
   909,457/1,980,375 = 1,980,375/x
3. Step 3: Cross multiply
   909,457x = 1,980,375 × 1,980,375
4. Step 4: Simplify right side
   909,457x = 3,921,885,140,625
5. Step 5: Solve for x
   x = 3,921,885,140,625/909,457
6. Step 6: Final answer
   x = 4,312,337.08