Finding the Third Proportional to 8,461,749 and 12,891,033

Step by Step Solution

1. Step 1: Write the proportion equation
   8,461,749 : 12,891,033 = 12,891,033 : x
2. Step 2: Convert to fraction form
   8,461,749/12,891,033 = 12,891,033/x
3. Step 3: Cross multiply
   8,461,749x = 12,891,033 × 12,891,033
4. Step 4: Simplify right side
   8,461,749x = 166,178,731,807,089
5. Step 5: Solve for x
   x = 166,178,731,807,089/8,461,749
6. Step 6: Final answer
   x = 19,638,816.02