Finding the Third Proportional to 112,818 and 245,072

Step by Step Solution

1. Step 1: Write the proportion equation
   112,818 : 245,072 = 245,072 : x
2. Step 2: Convert to fraction form
   112,818/245,072 = 245,072/x
3. Step 3: Cross multiply
   112,818x = 245,072 × 245,072
4. Step 4: Simplify right side
   112,818x = 60,060,285,184
5. Step 5: Solve for x
   x = 60,060,285,184/112,818
6. Step 6: Final answer
   x = 532,364.38