Finding the Third Proportional to 112,597.50 and 243,240

Step by Step Solution

1. Step 1: Write the proportion equation
   112,597.50 : 243,240 = 243,240 : x
2. Step 2: Convert to fraction form
   112,597.50/243,240 = 243,240/x
3. Step 3: Cross multiply
   112,597.50x = 243,240 × 243,240
4. Step 4: Simplify right side
   112,597.50x = 59,165,697,600
5. Step 5: Solve for x
   x = 59,165,697,600/112,597.50
6. Step 6: Final answer
   x = 525,461.91