Finding the Third Proportional to 917,572 and 1,982,790

Step by Step Solution

1. Step 1: Write the proportion equation
   917,572 : 1,982,790 = 1,982,790 : x
2. Step 2: Convert to fraction form
   917,572/1,982,790 = 1,982,790/x
3. Step 3: Cross multiply
   917,572x = 1,982,790 × 1,982,790
4. Step 4: Simplify right side
   917,572x = 3,931,456,184,100
5. Step 5: Solve for x
   x = 3,931,456,184,100/917,572
6. Step 6: Final answer
   x = 4,284,629.64