Finding the Third Proportional to 1,421,245 and 2,186,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,245 : 2,186,760 = 2,186,760 : x
2. Step 2: Convert to fraction form
   1,421,245/2,186,760 = 2,186,760/x
3. Step 3: Cross multiply
   1,421,245x = 2,186,760 × 2,186,760
4. Step 4: Simplify right side
   1,421,245x = 4,781,919,297,600
5. Step 5: Solve for x
   x = 4,781,919,297,600/1,421,245
6. Step 6: Final answer
   x = 3,364,598.85