Finding the Third Proportional to 86,131,710 and 189,003,681

Step by Step Solution

1. Step 1: Write the proportion equation
   86,131,710 : 189,003,681 = 189,003,681 : x
2. Step 2: Convert to fraction form
   86,131,710/189,003,681 = 189,003,681/x
3. Step 3: Cross multiply
   86,131,710x = 189,003,681 × 189,003,681
4. Step 4: Simplify right side
   86,131,710x = 35,722,391,431,549,760
5. Step 5: Solve for x
   x = 35,722,391,431,549,760/86,131,710
6. Step 6: Final answer
   x = 414,741,463.18