Finding the Third Proportional to 2,687,749,416.56 and 4,207,061,923.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,749,416.56 : 4,207,061,923.59 = 4,207,061,923.59 : x
2. Step 2: Convert to fraction form
   2,687,749,416.56/4,207,061,923.59 = 4,207,061,923.59/x
3. Step 3: Cross multiply
   2,687,749,416.56x = 4,207,061,923.59 × 4,207,061,923.59
4. Step 4: Simplify right side
   2,687,749,416.56x = 17,699,370,028,951,080,960
5. Step 5: Solve for x
   x = 17,699,370,028,951,080,960/2,687,749,416.56
6. Step 6: Final answer
   x = 6,585,200,956.56