Finding the Third Proportional to 5,522,019.75 and 12,897,164.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522,019.75 : 12,897,164.25 = 12,897,164.25 : x
2. Step 2: Convert to fraction form
   5,522,019.75/12,897,164.25 = 12,897,164.25/x
3. Step 3: Cross multiply
   5,522,019.75x = 12,897,164.25 × 12,897,164.25
4. Step 4: Simplify right side
   5,522,019.75x = 166,336,845,691,478.06
5. Step 5: Solve for x
   x = 166,336,845,691,478.06/5,522,019.75
6. Step 6: Final answer
   x = 30,122,464.83