Finding the Third Proportional to 1,977,150 and 4,315,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977,150 : 4,315,156 = 4,315,156 : x
2. Step 2: Convert to fraction form
   1,977,150/4,315,156 = 4,315,156/x
3. Step 3: Cross multiply
   1,977,150x = 4,315,156 × 4,315,156
4. Step 4: Simplify right side
   1,977,150x = 18,620,571,304,336
5. Step 5: Solve for x
   x = 18,620,571,304,336/1,977,150
6. Step 6: Final answer
   x = 9,417,884.99