Finding the Third Proportional to 93,990 and 143,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,990 : 143,962.50 = 143,962.50 : x
2. Step 2: Convert to fraction form
   93,990/143,962.50 = 143,962.50/x
3. Step 3: Cross multiply
   93,990x = 143,962.50 × 143,962.50
4. Step 4: Simplify right side
   93,990x = 20,725,201,406.25
5. Step 5: Solve for x
   x = 20,725,201,406.25/93,990
6. Step 6: Final answer
   x = 220,504.32