Finding the Third Proportional to 8,416,650 and 12,309,963

Step by Step Solution

1. Step 1: Write the proportion equation
   8,416,650 : 12,309,963 = 12,309,963 : x
2. Step 2: Convert to fraction form
   8,416,650/12,309,963 = 12,309,963/x
3. Step 3: Cross multiply
   8,416,650x = 12,309,963 × 12,309,963
4. Step 4: Simplify right side
   8,416,650x = 151,535,189,061,369
5. Step 5: Solve for x
   x = 151,535,189,061,369/8,416,650
6. Step 6: Final answer
   x = 18,004,216.53