Finding the Third Proportional to 1,445,871 and 2,164,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,871 : 2,164,430 = 2,164,430 : x
2. Step 2: Convert to fraction form
   1,445,871/2,164,430 = 2,164,430/x
3. Step 3: Cross multiply
   1,445,871x = 2,164,430 × 2,164,430
4. Step 4: Simplify right side
   1,445,871x = 4,684,757,224,900
5. Step 5: Solve for x
   x = 4,684,757,224,900/1,445,871
6. Step 6: Final answer
   x = 3,240,093.50