Finding the Third Proportional to 1,015,965 and 2,171,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,965 : 2,171,890 = 2,171,890 : x
2. Step 2: Convert to fraction form
   1,015,965/2,171,890 = 2,171,890/x
3. Step 3: Cross multiply
   1,015,965x = 2,171,890 × 2,171,890
4. Step 4: Simplify right side
   1,015,965x = 4,717,106,172,100
5. Step 5: Solve for x
   x = 4,717,106,172,100/1,015,965
6. Step 6: Final answer
   x = 4,642,980.98