Finding the Third Proportional to 890,124 and 1,366,290

Step by Step Solution

1. Step 1: Write the proportion equation
   890,124 : 1,366,290 = 1,366,290 : x
2. Step 2: Convert to fraction form
   890,124/1,366,290 = 1,366,290/x
3. Step 3: Cross multiply
   890,124x = 1,366,290 × 1,366,290
4. Step 4: Simplify right side
   890,124x = 1,866,748,364,100
5. Step 5: Solve for x
   x = 1,866,748,364,100/890,124
6. Step 6: Final answer
   x = 2,097,177.88