Finding the Third Proportional to 112,773 and 243,690

Step by Step Solution

1. Step 1: Write the proportion equation
   112,773 : 243,690 = 243,690 : x
2. Step 2: Convert to fraction form
   112,773/243,690 = 243,690/x
3. Step 3: Cross multiply
   112,773x = 243,690 × 243,690
4. Step 4: Simplify right side
   112,773x = 59,384,816,100
5. Step 5: Solve for x
   x = 59,384,816,100/112,773
6. Step 6: Final answer
   x = 526,587.18