Finding the Third Proportional to 913,636 and 1,392,030

Step by Step Solution

1. Step 1: Write the proportion equation
   913,636 : 1,392,030 = 1,392,030 : x
2. Step 2: Convert to fraction form
   913,636/1,392,030 = 1,392,030/x
3. Step 3: Cross multiply
   913,636x = 1,392,030 × 1,392,030
4. Step 4: Simplify right side
   913,636x = 1,937,747,520,900
5. Step 5: Solve for x
   x = 1,937,747,520,900/913,636
6. Step 6: Final answer
   x = 2,120,918.53