Finding the Third Proportional to 215,028 and 341,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,028 : 341,611.50 = 341,611.50 : x
2. Step 2: Convert to fraction form
   215,028/341,611.50 = 341,611.50/x
3. Step 3: Cross multiply
   215,028x = 341,611.50 × 341,611.50
4. Step 4: Simplify right side
   215,028x = 116,698,416,932.25
5. Step 5: Solve for x
   x = 116,698,416,932.25/215,028
6. Step 6: Final answer
   x = 542,712.66