Finding the Third Proportional to 66,582 and 143,046

Step by Step Solution

1. Step 1: Write the proportion equation
   66,582 : 143,046 = 143,046 : x
2. Step 2: Convert to fraction form
   66,582/143,046 = 143,046/x
3. Step 3: Cross multiply
   66,582x = 143,046 × 143,046
4. Step 4: Simplify right side
   66,582x = 20,462,158,116
5. Step 5: Solve for x
   x = 20,462,158,116/66,582
6. Step 6: Final answer
   x = 307,322.67