Finding the Third Proportional to 785,797,563 and 1,309,583,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   785,797,563 : 1,309,583,677.50 = 1,309,583,677.50 : x
2. Step 2: Convert to fraction form
   785,797,563/1,309,583,677.50 = 1,309,583,677.50/x
3. Step 3: Cross multiply
   785,797,563x = 1,309,583,677.50 × 1,309,583,677.50
4. Step 4: Simplify right side
   785,797,563x = 1,715,009,408,374,424,064
5. Step 5: Solve for x
   x = 1,715,009,408,374,424,064/785,797,563
6. Step 6: Final answer
   x = 2,182,507,924.59