Finding the Third Proportional to 679,716,408.50 and 1,049,601,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   679,716,408.50 : 1,049,601,089.50 = 1,049,601,089.50 : x
2. Step 2: Convert to fraction form
   679,716,408.50/1,049,601,089.50 = 1,049,601,089.50/x
3. Step 3: Cross multiply
   679,716,408.50x = 1,049,601,089.50 × 1,049,601,089.50
4. Step 4: Simplify right side
   679,716,408.50x = 1,101,662,447,079,587,072
5. Step 5: Solve for x
   x = 1,101,662,447,079,587,072/679,716,408.50
6. Step 6: Final answer
   x = 1,620,767,769.18