Finding the Third Proportional to 1,421,248 and 2,186,766

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,248 : 2,186,766 = 2,186,766 : x
2. Step 2: Convert to fraction form
   1,421,248/2,186,766 = 2,186,766/x
3. Step 3: Cross multiply
   1,421,248x = 2,186,766 × 2,186,766
4. Step 4: Simplify right side
   1,421,248x = 4,781,945,538,756
5. Step 5: Solve for x
   x = 4,781,945,538,756/1,421,248
6. Step 6: Final answer
   x = 3,364,610.21