Finding the Third Proportional to 112,815 and 245,082

Step by Step Solution

1. Step 1: Write the proportion equation
   112,815 : 245,082 = 245,082 : x
2. Step 2: Convert to fraction form
   112,815/245,082 = 245,082/x
3. Step 3: Cross multiply
   112,815x = 245,082 × 245,082
4. Step 4: Simplify right side
   112,815x = 60,065,186,724
5. Step 5: Solve for x
   x = 60,065,186,724/112,815
6. Step 6: Final answer
   x = 532,421.99