Finding the Third Proportional to 826,424 and 1,276,088

Step by Step Solution

1. Step 1: Write the proportion equation
   826,424 : 1,276,088 = 1,276,088 : x
2. Step 2: Convert to fraction form
   826,424/1,276,088 = 1,276,088/x
3. Step 3: Cross multiply
   826,424x = 1,276,088 × 1,276,088
4. Step 4: Simplify right side
   826,424x = 1,628,400,583,744
5. Step 5: Solve for x
   x = 1,628,400,583,744/826,424
6. Step 6: Final answer
   x = 1,970,417.83