Finding the Third Proportional to 86,131,469 and 189,003,325

Step by Step Solution

1. Step 1: Write the proportion equation
   86,131,469 : 189,003,325 = 189,003,325 : x
2. Step 2: Convert to fraction form
   86,131,469/189,003,325 = 189,003,325/x
3. Step 3: Cross multiply
   86,131,469x = 189,003,325 × 189,003,325
4. Step 4: Simplify right side
   86,131,469x = 35,722,256,861,055,624
5. Step 5: Solve for x
   x = 35,722,256,861,055,624/86,131,469
6. Step 6: Final answer
   x = 414,741,061.26