Finding the Third Proportional to 3,953,892 and 8,632,893

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,892 : 8,632,893 = 8,632,893 : x
2. Step 2: Convert to fraction form
   3,953,892/8,632,893 = 8,632,893/x
3. Step 3: Cross multiply
   3,953,892x = 8,632,893 × 8,632,893
4. Step 4: Simplify right side
   3,953,892x = 74,526,841,549,449
5. Step 5: Solve for x
   x = 74,526,841,549,449/3,953,892
6. Step 6: Final answer
   x = 18,848,982.61