Finding the Third Proportional to 909,388 and 1,358,466

Step by Step Solution

1. Step 1: Write the proportion equation
   909,388 : 1,358,466 = 1,358,466 : x
2. Step 2: Convert to fraction form
   909,388/1,358,466 = 1,358,466/x
3. Step 3: Cross multiply
   909,388x = 1,358,466 × 1,358,466
4. Step 4: Simplify right side
   909,388x = 1,845,429,873,156
5. Step 5: Solve for x
   x = 1,845,429,873,156/909,388
6. Step 6: Final answer
   x = 2,029,309.68