Finding the Third Proportional to 3,739,881 and 8,189,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739,881 : 8,189,142.50 = 8,189,142.50 : x
2. Step 2: Convert to fraction form
   3,739,881/8,189,142.50 = 8,189,142.50/x
3. Step 3: Cross multiply
   3,739,881x = 8,189,142.50 × 8,189,142.50
4. Step 4: Simplify right side
   3,739,881x = 67,062,054,885,306.25
5. Step 5: Solve for x
   x = 67,062,054,885,306.25/3,739,881
6. Step 6: Final answer
   x = 17,931,601.27