Finding the Third Proportional to 112,829 and 240,146

Step by Step Solution

1. Step 1: Write the proportion equation
   112,829 : 240,146 = 240,146 : x
2. Step 2: Convert to fraction form
   112,829/240,146 = 240,146/x
3. Step 3: Cross multiply
   112,829x = 240,146 × 240,146
4. Step 4: Simplify right side
   112,829x = 57,670,101,316
5. Step 5: Solve for x
   x = 57,670,101,316/112,829
6. Step 6: Final answer
   x = 511,128.36