Finding the Third Proportional to 4,184,000 and 8,870,400

Step by Step Solution

1. Step 1: Write the proportion equation
   4,184,000 : 8,870,400 = 8,870,400 : x
2. Step 2: Convert to fraction form
   4,184,000/8,870,400 = 8,870,400/x
3. Step 3: Cross multiply
   4,184,000x = 8,870,400 × 8,870,400
4. Step 4: Simplify right side
   4,184,000x = 78,683,996,160,000
5. Step 5: Solve for x
   x = 78,683,996,160,000/4,184,000
6. Step 6: Final answer
   x = 18,805,926.42