Finding the Third Proportional to 4,254,335 and 9,106,678

Step by Step Solution

1. Step 1: Write the proportion equation
   4,254,335 : 9,106,678 = 9,106,678 : x
2. Step 2: Convert to fraction form
   4,254,335/9,106,678 = 9,106,678/x
3. Step 3: Cross multiply
   4,254,335x = 9,106,678 × 9,106,678
4. Step 4: Simplify right side
   4,254,335x = 82,931,584,195,684
5. Step 5: Solve for x
   x = 82,931,584,195,684/4,254,335
6. Step 6: Final answer
   x = 19,493,430.63