Finding the Third Proportional to 214,393.50 and 423,366

Step by Step Solution

1. Step 1: Write the proportion equation
   214,393.50 : 423,366 = 423,366 : x
2. Step 2: Convert to fraction form
   214,393.50/423,366 = 423,366/x
3. Step 3: Cross multiply
   214,393.50x = 423,366 × 423,366
4. Step 4: Simplify right side
   214,393.50x = 179,238,769,956
5. Step 5: Solve for x
   x = 179,238,769,956/214,393.50
6. Step 6: Final answer
   x = 836,027.07