Finding the Third Proportional to 1,993,100 and 4,679,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993,100 : 4,679,120 = 4,679,120 : x
2. Step 2: Convert to fraction form
   1,993,100/4,679,120 = 4,679,120/x
3. Step 3: Cross multiply
   1,993,100x = 4,679,120 × 4,679,120
4. Step 4: Simplify right side
   1,993,100x = 21,894,163,974,400
5. Step 5: Solve for x
   x = 21,894,163,974,400/1,993,100
6. Step 6: Final answer
   x = 10,984,980.17