Finding the Third Proportional to 4,129,064 and 8,890,900

Step by Step Solution

1. Step 1: Write the proportion equation
   4,129,064 : 8,890,900 = 8,890,900 : x
2. Step 2: Convert to fraction form
   4,129,064/8,890,900 = 8,890,900/x
3. Step 3: Cross multiply
   4,129,064x = 8,890,900 × 8,890,900
4. Step 4: Simplify right side
   4,129,064x = 79,048,102,810,000
5. Step 5: Solve for x
   x = 79,048,102,810,000/4,129,064
6. Step 6: Final answer
   x = 19,144,315.23