Finding the Third Proportional to 748,233 and 1,636,434

Step by Step Solution

1. Step 1: Write the proportion equation
   748,233 : 1,636,434 = 1,636,434 : x
2. Step 2: Convert to fraction form
   748,233/1,636,434 = 1,636,434/x
3. Step 3: Cross multiply
   748,233x = 1,636,434 × 1,636,434
4. Step 4: Simplify right side
   748,233x = 2,677,916,236,356
5. Step 5: Solve for x
   x = 2,677,916,236,356/748,233
6. Step 6: Final answer
   x = 3,578,987.08