Finding the Third Proportional to 86,131,467 and 189,003,276

Step by Step Solution

1. Step 1: Write the proportion equation
   86,131,467 : 189,003,276 = 189,003,276 : x
2. Step 2: Convert to fraction form
   86,131,467/189,003,276 = 189,003,276/x
3. Step 3: Cross multiply
   86,131,467x = 189,003,276 × 189,003,276
4. Step 4: Simplify right side
   86,131,467x = 35,722,238,338,732,176
5. Step 5: Solve for x
   x = 35,722,238,338,732,176/86,131,467
6. Step 6: Final answer
   x = 414,740,855.84