Finding the Third Proportional to 3,953,911 and 8,632,934

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,911 : 8,632,934 = 8,632,934 : x
2. Step 2: Convert to fraction form
   3,953,911/8,632,934 = 8,632,934/x
3. Step 3: Cross multiply
   3,953,911x = 8,632,934 × 8,632,934
4. Step 4: Simplify right side
   3,953,911x = 74,527,549,448,356
5. Step 5: Solve for x
   x = 74,527,549,448,356/3,953,911
6. Step 6: Final answer
   x = 18,849,071.07