Finding the Third Proportional to 4,089,602 and 8,602,270

Step by Step Solution

1. Step 1: Write the proportion equation
   4,089,602 : 8,602,270 = 8,602,270 : x
2. Step 2: Convert to fraction form
   4,089,602/8,602,270 = 8,602,270/x
3. Step 3: Cross multiply
   4,089,602x = 8,602,270 × 8,602,270
4. Step 4: Simplify right side
   4,089,602x = 73,999,049,152,900
5. Step 5: Solve for x
   x = 73,999,049,152,900/4,089,602
6. Step 6: Final answer
   x = 18,094,437.83