Finding the Third Proportional to 3,806,258 and 8,369,572

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,258 : 8,369,572 = 8,369,572 : x
2. Step 2: Convert to fraction form
   3,806,258/8,369,572 = 8,369,572/x
3. Step 3: Cross multiply
   3,806,258x = 8,369,572 × 8,369,572
4. Step 4: Simplify right side
   3,806,258x = 70,049,735,463,184
5. Step 5: Solve for x
   x = 70,049,735,463,184/3,806,258
6. Step 6: Final answer
   x = 18,403,832.70