Finding the Third Proportional to 4,405,230 and 9,047,628

Step by Step Solution

1. Step 1: Write the proportion equation
   4,405,230 : 9,047,628 = 9,047,628 : x
2. Step 2: Convert to fraction form
   4,405,230/9,047,628 = 9,047,628/x
3. Step 3: Cross multiply
   4,405,230x = 9,047,628 × 9,047,628
4. Step 4: Simplify right side
   4,405,230x = 81,859,572,426,384
5. Step 5: Solve for x
   x = 81,859,572,426,384/4,405,230
6. Step 6: Final answer
   x = 18,582,360.61