Finding the Third Proportional to 1,890,419 and 4,148,251

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,419 : 4,148,251 = 4,148,251 : x
2. Step 2: Convert to fraction form
   1,890,419/4,148,251 = 4,148,251/x
3. Step 3: Cross multiply
   1,890,419x = 4,148,251 × 4,148,251
4. Step 4: Simplify right side
   1,890,419x = 17,207,986,359,001
5. Step 5: Solve for x
   x = 17,207,986,359,001/1,890,419
6. Step 6: Final answer
   x = 9,102,736.67