Finding the Third Proportional to 2,615,298 and 5,643,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615,298 : 5,643,451.50 = 5,643,451.50 : x
2. Step 2: Convert to fraction form
   2,615,298/5,643,451.50 = 5,643,451.50/x
3. Step 3: Cross multiply
   2,615,298x = 5,643,451.50 × 5,643,451.50
4. Step 4: Simplify right side
   2,615,298x = 31,848,544,832,852.25
5. Step 5: Solve for x
   x = 31,848,544,832,852.25/2,615,298
6. Step 6: Final answer
   x = 12,177,788.09