Finding the Third Proportional to 818,670 and 1,912,134

Step by Step Solution

1. Step 1: Write the proportion equation
   818,670 : 1,912,134 = 1,912,134 : x
2. Step 2: Convert to fraction form
   818,670/1,912,134 = 1,912,134/x
3. Step 3: Cross multiply
   818,670x = 1,912,134 × 1,912,134
4. Step 4: Simplify right side
   818,670x = 3,656,256,433,956
5. Step 5: Solve for x
   x = 3,656,256,433,956/818,670
6. Step 6: Final answer
   x = 4,466,093.09