Finding the Third Proportional to 4,215,278 and 9,094,108

Step by Step Solution

1. Step 1: Write the proportion equation
   4,215,278 : 9,094,108 = 9,094,108 : x
2. Step 2: Convert to fraction form
   4,215,278/9,094,108 = 9,094,108/x
3. Step 3: Cross multiply
   4,215,278x = 9,094,108 × 9,094,108
4. Step 4: Simplify right side
   4,215,278x = 82,702,800,315,664
5. Step 5: Solve for x
   x = 82,702,800,315,664/4,215,278
6. Step 6: Final answer
   x = 19,619,773.67