Finding the Third Proportional to 4,072,385 and 8,774,194

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072,385 : 8,774,194 = 8,774,194 : x
2. Step 2: Convert to fraction form
   4,072,385/8,774,194 = 8,774,194/x
3. Step 3: Cross multiply
   4,072,385x = 8,774,194 × 8,774,194
4. Step 4: Simplify right side
   4,072,385x = 76,986,480,349,636
5. Step 5: Solve for x
   x = 76,986,480,349,636/4,072,385
6. Step 6: Final answer
   x = 18,904,519.18