Finding the Third Proportional to 89,850,186 and 131,405,678

Step by Step Solution

1. Step 1: Write the proportion equation
   89,850,186 : 131,405,678 = 131,405,678 : x
2. Step 2: Convert to fraction form
   89,850,186/131,405,678 = 131,405,678/x
3. Step 3: Cross multiply
   89,850,186x = 131,405,678 × 131,405,678
4. Step 4: Simplify right side
   89,850,186x = 17,267,452,210,639,684
5. Step 5: Solve for x
   x = 17,267,452,210,639,684/89,850,186
6. Step 6: Final answer
   x = 192,180,483.75