Finding the Third Proportional to 745,310 and 1,608,648

Step by Step Solution

1. Step 1: Write the proportion equation
   745,310 : 1,608,648 = 1,608,648 : x
2. Step 2: Convert to fraction form
   745,310/1,608,648 = 1,608,648/x
3. Step 3: Cross multiply
   745,310x = 1,608,648 × 1,608,648
4. Step 4: Simplify right side
   745,310x = 2,587,748,387,904
5. Step 5: Solve for x
   x = 2,587,748,387,904/745,310
6. Step 6: Final answer
   x = 3,472,043.03