Finding the Third Proportional to 745,236 and 1,616,499

Step by Step Solution

1. Step 1: Write the proportion equation
   745,236 : 1,616,499 = 1,616,499 : x
2. Step 2: Convert to fraction form
   745,236/1,616,499 = 1,616,499/x
3. Step 3: Cross multiply
   745,236x = 1,616,499 × 1,616,499
4. Step 4: Simplify right side
   745,236x = 2,613,069,017,001
5. Step 5: Solve for x
   x = 2,613,069,017,001/745,236
6. Step 6: Final answer
   x = 3,506,364.45