Finding the Third Proportional to 121,143 and 282,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,143 : 282,967.50 = 282,967.50 : x
2. Step 2: Convert to fraction form
   121,143/282,967.50 = 282,967.50/x
3. Step 3: Cross multiply
   121,143x = 282,967.50 × 282,967.50
4. Step 4: Simplify right side
   121,143x = 80,070,606,056.25
5. Step 5: Solve for x
   x = 80,070,606,056.25/121,143
6. Step 6: Final answer
   x = 660,959.41