Finding the Third Proportional to 85,005 and 124,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,005 : 124,915.50 = 124,915.50 : x
2. Step 2: Convert to fraction form
   85,005/124,915.50 = 124,915.50/x
3. Step 3: Cross multiply
   85,005x = 124,915.50 × 124,915.50
4. Step 4: Simplify right side
   85,005x = 15,603,882,140.25
5. Step 5: Solve for x
   x = 15,603,882,140.25/85,005
6. Step 6: Final answer
   x = 183,564.29