Finding the Third Proportional to 87,346 and 187,158

Step by Step Solution

1. Step 1: Write the proportion equation
   87,346 : 187,158 = 187,158 : x
2. Step 2: Convert to fraction form
   87,346/187,158 = 187,158/x
3. Step 3: Cross multiply
   87,346x = 187,158 × 187,158
4. Step 4: Simplify right side
   87,346x = 35,028,116,964
5. Step 5: Solve for x
   x = 35,028,116,964/87,346
6. Step 6: Final answer
   x = 401,027.14