Finding the Third Proportional to 4,047,359 and 8,619,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,047,359 : 8,619,072 = 8,619,072 : x
2. Step 2: Convert to fraction form
   4,047,359/8,619,072 = 8,619,072/x
3. Step 3: Cross multiply
   4,047,359x = 8,619,072 × 8,619,072
4. Step 4: Simplify right side
   4,047,359x = 74,288,402,141,184
5. Step 5: Solve for x
   x = 74,288,402,141,184/4,047,359
6. Step 6: Final answer
   x = 18,354,784.48