Finding the Third Proportional to 1,291,526 and 2,015,781

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,526 : 2,015,781 = 2,015,781 : x
2. Step 2: Convert to fraction form
   1,291,526/2,015,781 = 2,015,781/x
3. Step 3: Cross multiply
   1,291,526x = 2,015,781 × 2,015,781
4. Step 4: Simplify right side
   1,291,526x = 4,063,373,039,961
5. Step 5: Solve for x
   x = 4,063,373,039,961/1,291,526
6. Step 6: Final answer
   x = 3,146,179.82