Finding the Third Proportional to 12,191,644 and 16,718,064

Step by Step Solution

1. Step 1: Write the proportion equation
   12,191,644 : 16,718,064 = 16,718,064 : x
2. Step 2: Convert to fraction form
   12,191,644/16,718,064 = 16,718,064/x
3. Step 3: Cross multiply
   12,191,644x = 16,718,064 × 16,718,064
4. Step 4: Simplify right side
   12,191,644x = 279,493,663,908,096
5. Step 5: Solve for x
   x = 279,493,663,908,096/12,191,644
6. Step 6: Final answer
   x = 22,925,018.47