Finding the Third Proportional to 122,465 and 173,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,465 : 173,335.50 = 173,335.50 : x
2. Step 2: Convert to fraction form
   122,465/173,335.50 = 173,335.50/x
3. Step 3: Cross multiply
   122,465x = 173,335.50 × 173,335.50
4. Step 4: Simplify right side
   122,465x = 30,045,195,560.25
5. Step 5: Solve for x
   x = 30,045,195,560.25/122,465
6. Step 6: Final answer
   x = 245,337.00