Finding the Third Proportional to 129,546 and 281,221.88

Step by Step Solution

1. Step 1: Write the proportion equation
   129,546 : 281,221.88 = 281,221.88 : x
2. Step 2: Convert to fraction form
   129,546/281,221.88 = 281,221.88/x
3. Step 3: Cross multiply
   129,546x = 281,221.88 × 281,221.88
4. Step 4: Simplify right side
   129,546x = 79,085,742,978.52
5. Step 5: Solve for x
   x = 79,085,742,978.52/129,546
6. Step 6: Final answer
   x = 610,483.87