Finding the Third Proportional to 916,158 and 1,426,586

Step by Step Solution

1. Step 1: Write the proportion equation
   916,158 : 1,426,586 = 1,426,586 : x
2. Step 2: Convert to fraction form
   916,158/1,426,586 = 1,426,586/x
3. Step 3: Cross multiply
   916,158x = 1,426,586 × 1,426,586
4. Step 4: Simplify right side
   916,158x = 2,035,147,615,396
5. Step 5: Solve for x
   x = 2,035,147,615,396/916,158
6. Step 6: Final answer
   x = 2,221,393.71