Finding the Third Proportional to 9,286,712 and 19,513,456

Step by Step Solution

1. Step 1: Write the proportion equation
   9,286,712 : 19,513,456 = 19,513,456 : x
2. Step 2: Convert to fraction form
   9,286,712/19,513,456 = 19,513,456/x
3. Step 3: Cross multiply
   9,286,712x = 19,513,456 × 19,513,456
4. Step 4: Simplify right side
   9,286,712x = 380,774,965,063,936
5. Step 5: Solve for x
   x = 380,774,965,063,936/9,286,712
6. Step 6: Final answer
   x = 41,002,129.18