Finding the Third Proportional to 12,629,971.83 and 18,465,459.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,629,971.83 : 18,465,459.89 = 18,465,459.89 : x
2. Step 2: Convert to fraction form
   12,629,971.83/18,465,459.89 = 18,465,459.89/x
3. Step 3: Cross multiply
   12,629,971.83x = 18,465,459.89 × 18,465,459.89
4. Step 4: Simplify right side
   12,629,971.83x = 340,973,208,972,280.62
5. Step 5: Solve for x
   x = 340,973,208,972,280.62/12,629,971.83
6. Step 6: Final answer
   x = 26,997,147.23