Finding the Third Proportional to 33,339 and 78,700

Step by Step Solution

1. Step 1: Write the proportion equation
   33,339 : 78,700 = 78,700 : x
2. Step 2: Convert to fraction form
   33,339/78,700 = 78,700/x
3. Step 3: Cross multiply
   33,339x = 78,700 × 78,700
4. Step 4: Simplify right side
   33,339x = 6,193,690,000
5. Step 5: Solve for x
   x = 6,193,690,000/33,339
6. Step 6: Final answer
   x = 185,779.12