Finding the Third Proportional to 84,148 and 123,730

Step by Step Solution

1. Step 1: Write the proportion equation
   84,148 : 123,730 = 123,730 : x
2. Step 2: Convert to fraction form
   84,148/123,730 = 123,730/x
3. Step 3: Cross multiply
   84,148x = 123,730 × 123,730
4. Step 4: Simplify right side
   84,148x = 15,309,112,900
5. Step 5: Solve for x
   x = 15,309,112,900/84,148
6. Step 6: Final answer
   x = 181,930.80