Finding the Third Proportional to 3,953,802 and 8,632,602

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,802 : 8,632,602 = 8,632,602 : x
2. Step 2: Convert to fraction form
   3,953,802/8,632,602 = 8,632,602/x
3. Step 3: Cross multiply
   3,953,802x = 8,632,602 × 8,632,602
4. Step 4: Simplify right side
   3,953,802x = 74,521,817,290,404
5. Step 5: Solve for x
   x = 74,521,817,290,404/3,953,802
6. Step 6: Final answer
   x = 18,848,140.93