Finding the Third Proportional to 909,394 and 1,264,426

Step by Step Solution

1. Step 1: Write the proportion equation
   909,394 : 1,264,426 = 1,264,426 : x
2. Step 2: Convert to fraction form
   909,394/1,264,426 = 1,264,426/x
3. Step 3: Cross multiply
   909,394x = 1,264,426 × 1,264,426
4. Step 4: Simplify right side
   909,394x = 1,598,773,109,476
5. Step 5: Solve for x
   x = 1,598,773,109,476/909,394
6. Step 6: Final answer
   x = 1,758,064.28