Finding the Third Proportional to 8,189,632 and 12,845,943

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189,632 : 12,845,943 = 12,845,943 : x
2. Step 2: Convert to fraction form
   8,189,632/12,845,943 = 12,845,943/x
3. Step 3: Cross multiply
   8,189,632x = 12,845,943 × 12,845,943
4. Step 4: Simplify right side
   8,189,632x = 165,018,251,559,249
5. Step 5: Solve for x
   x = 165,018,251,559,249/8,189,632
6. Step 6: Final answer
   x = 20,149,654.05