Finding the Third Proportional to 81,607.50 and 124,362

Step by Step Solution

1. Step 1: Write the proportion equation
   81,607.50 : 124,362 = 124,362 : x
2. Step 2: Convert to fraction form
   81,607.50/124,362 = 124,362/x
3. Step 3: Cross multiply
   81,607.50x = 124,362 × 124,362
4. Step 4: Simplify right side
   81,607.50x = 15,465,907,044
5. Step 5: Solve for x
   x = 15,465,907,044/81,607.50
6. Step 6: Final answer
   x = 189,515.76