Finding the Third Proportional to 5,531,788.69 and 8,374,807.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,531,788.69 : 8,374,807.69 = 8,374,807.69 : x
2. Step 2: Convert to fraction form
   5,531,788.69/8,374,807.69 = 8,374,807.69/x
3. Step 3: Cross multiply
   5,531,788.69x = 8,374,807.69 × 8,374,807.69
4. Step 4: Simplify right side
   5,531,788.69x = 70,137,403,802,609.09
5. Step 5: Solve for x
   x = 70,137,403,802,609.09/5,531,788.69
6. Step 6: Final answer
   x = 12,678,973.79