Finding the Third Proportional to 8,461,200 and 12,890,088

Step by Step Solution

1. Step 1: Write the proportion equation
   8,461,200 : 12,890,088 = 12,890,088 : x
2. Step 2: Convert to fraction form
   8,461,200/12,890,088 = 12,890,088/x
3. Step 3: Cross multiply
   8,461,200x = 12,890,088 × 12,890,088
4. Step 4: Simplify right side
   8,461,200x = 166,154,368,647,744
5. Step 5: Solve for x
   x = 166,154,368,647,744/8,461,200
6. Step 6: Final answer
   x = 19,637,210.87