Finding the Third Proportional to 4,821,980.63 and 10,315,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,821,980.63 : 10,315,081.69 = 10,315,081.69 : x
2. Step 2: Convert to fraction form
   4,821,980.63/10,315,081.69 = 10,315,081.69/x
3. Step 3: Cross multiply
   4,821,980.63x = 10,315,081.69 × 10,315,081.69
4. Step 4: Simplify right side
   4,821,980.63x = 106,400,910,219,797.84
5. Step 5: Solve for x
   x = 106,400,910,219,797.84/4,821,980.63
6. Step 6: Final answer
   x = 22,065,810.40