Finding the Third Proportional to 18,277,456.50 and 40,142,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,277,456.50 : 40,142,317.50 = 40,142,317.50 : x
2. Step 2: Convert to fraction form
   18,277,456.50/40,142,317.50 = 40,142,317.50/x
3. Step 3: Cross multiply
   18,277,456.50x = 40,142,317.50 × 40,142,317.50
4. Step 4: Simplify right side
   18,277,456.50x = 1,611,405,654,270,806.25
5. Step 5: Solve for x
   x = 1,611,405,654,270,806.25/18,277,456.50
6. Step 6: Final answer
   x = 88,163,561.18