Finding the Third Proportional to 840,894 and 1,974,120

Step by Step Solution

1. Step 1: Write the proportion equation
   840,894 : 1,974,120 = 1,974,120 : x
2. Step 2: Convert to fraction form
   840,894/1,974,120 = 1,974,120/x
3. Step 3: Cross multiply
   840,894x = 1,974,120 × 1,974,120
4. Step 4: Simplify right side
   840,894x = 3,897,149,774,400
5. Step 5: Solve for x
   x = 3,897,149,774,400/840,894
6. Step 6: Final answer
   x = 4,634,531.55