Finding the Third Proportional to 4,533,315 and 9,864,150

Step by Step Solution

1. Step 1: Write the proportion equation
   4,533,315 : 9,864,150 = 9,864,150 : x
2. Step 2: Convert to fraction form
   4,533,315/9,864,150 = 9,864,150/x
3. Step 3: Cross multiply
   4,533,315x = 9,864,150 × 9,864,150
4. Step 4: Simplify right side
   4,533,315x = 97,301,455,222,500
5. Step 5: Solve for x
   x = 97,301,455,222,500/4,533,315
6. Step 6: Final answer
   x = 21,463,643.10