Finding the Third Proportional to 112,188 and 243,972

Step by Step Solution

1. Step 1: Write the proportion equation
   112,188 : 243,972 = 243,972 : x
2. Step 2: Convert to fraction form
   112,188/243,972 = 243,972/x
3. Step 3: Cross multiply
   112,188x = 243,972 × 243,972
4. Step 4: Simplify right side
   112,188x = 59,522,336,784
5. Step 5: Solve for x
   x = 59,522,336,784/112,188
6. Step 6: Final answer
   x = 530,558.85