Finding the Third Proportional to 112,210 and 245,534

Step by Step Solution

1. Step 1: Write the proportion equation
   112,210 : 245,534 = 245,534 : x
2. Step 2: Convert to fraction form
   112,210/245,534 = 245,534/x
3. Step 3: Cross multiply
   112,210x = 245,534 × 245,534
4. Step 4: Simplify right side
   112,210x = 60,286,945,156
5. Step 5: Solve for x
   x = 60,286,945,156/112,210
6. Step 6: Final answer
   x = 537,268.92