Finding the Third Proportional to 4,066,902 and 8,764,146

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,902 : 8,764,146 = 8,764,146 : x
2. Step 2: Convert to fraction form
   4,066,902/8,764,146 = 8,764,146/x
3. Step 3: Cross multiply
   4,066,902x = 8,764,146 × 8,764,146
4. Step 4: Simplify right side
   4,066,902x = 76,810,255,109,316
5. Step 5: Solve for x
   x = 76,810,255,109,316/4,066,902
6. Step 6: Final answer
   x = 18,886,674.70