Finding the Third Proportional to 1,621,508 and 3,753,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,508 : 3,753,356 = 3,753,356 : x
2. Step 2: Convert to fraction form
   1,621,508/3,753,356 = 3,753,356/x
3. Step 3: Cross multiply
   1,621,508x = 3,753,356 × 3,753,356
4. Step 4: Simplify right side
   1,621,508x = 14,087,681,262,736
5. Step 5: Solve for x
   x = 14,087,681,262,736/1,621,508
6. Step 6: Final answer
   x = 8,688,012.19