Finding the Third Proportional to 139,094 and 216,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,094 : 216,766.50 = 216,766.50 : x
2. Step 2: Convert to fraction form
   139,094/216,766.50 = 216,766.50/x
3. Step 3: Cross multiply
   139,094x = 216,766.50 × 216,766.50
4. Step 4: Simplify right side
   139,094x = 46,987,715,522.25
5. Step 5: Solve for x
   x = 46,987,715,522.25/139,094
6. Step 6: Final answer
   x = 337,812.67