Finding the Third Proportional to 112,602 and 243,248

Step by Step Solution

1. Step 1: Write the proportion equation
   112,602 : 243,248 = 243,248 : x
2. Step 2: Convert to fraction form
   112,602/243,248 = 243,248/x
3. Step 3: Cross multiply
   112,602x = 243,248 × 243,248
4. Step 4: Simplify right side
   112,602x = 59,169,589,504
5. Step 5: Solve for x
   x = 59,169,589,504/112,602
6. Step 6: Final answer
   x = 525,475.48