Finding the Third Proportional to 4,362,636 and 9,126,168

Step by Step Solution

1. Step 1: Write the proportion equation
   4,362,636 : 9,126,168 = 9,126,168 : x
2. Step 2: Convert to fraction form
   4,362,636/9,126,168 = 9,126,168/x
3. Step 3: Cross multiply
   4,362,636x = 9,126,168 × 9,126,168
4. Step 4: Simplify right side
   4,362,636x = 83,286,942,364,224
5. Step 5: Solve for x
   x = 83,286,942,364,224/4,362,636
6. Step 6: Final answer
   x = 19,090,967.56