Finding the Third Proportional to 3,517,607.25 and 7,708,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,517,607.25 : 7,708,567.50 = 7,708,567.50 : x
2. Step 2: Convert to fraction form
   3,517,607.25/7,708,567.50 = 7,708,567.50/x
3. Step 3: Cross multiply
   3,517,607.25x = 7,708,567.50 × 7,708,567.50
4. Step 4: Simplify right side
   3,517,607.25x = 59,422,012,902,056.25
5. Step 5: Solve for x
   x = 59,422,012,902,056.25/3,517,607.25
6. Step 6: Final answer
   x = 16,892,736.65