Finding the Third Proportional to 4,057,066.50 and 8,566,840.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,057,066.50 : 8,566,840.50 = 8,566,840.50 : x
2. Step 2: Convert to fraction form
   4,057,066.50/8,566,840.50 = 8,566,840.50/x
3. Step 3: Cross multiply
   4,057,066.50x = 8,566,840.50 × 8,566,840.50
4. Step 4: Simplify right side
   4,057,066.50x = 73,390,756,152,440.25
5. Step 5: Solve for x
   x = 73,390,756,152,440.25/4,057,066.50
6. Step 6: Final answer
   x = 18,089,611.34