Finding the Third Proportional to 163,436 and 245,146

Step by Step Solution

1. Step 1: Write the proportion equation
   163,436 : 245,146 = 245,146 : x
2. Step 2: Convert to fraction form
   163,436/245,146 = 245,146/x
3. Step 3: Cross multiply
   163,436x = 245,146 × 245,146
4. Step 4: Simplify right side
   163,436x = 60,096,561,316
5. Step 5: Solve for x
   x = 60,096,561,316/163,436
6. Step 6: Final answer
   x = 367,707.00