Finding the Third Proportional to 208,340 and 294,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,340 : 294,992.50 = 294,992.50 : x
2. Step 2: Convert to fraction form
   208,340/294,992.50 = 294,992.50/x
3. Step 3: Cross multiply
   208,340x = 294,992.50 × 294,992.50
4. Step 4: Simplify right side
   208,340x = 87,020,575,056.25
5. Step 5: Solve for x
   x = 87,020,575,056.25/208,340
6. Step 6: Final answer
   x = 417,685.39