Finding the Third Proportional to 421,176 and 994,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   421,176 : 994,255.50 = 994,255.50 : x
2. Step 2: Convert to fraction form
   421,176/994,255.50 = 994,255.50/x
3. Step 3: Cross multiply
   421,176x = 994,255.50 × 994,255.50
4. Step 4: Simplify right side
   421,176x = 988,543,999,280.25
5. Step 5: Solve for x
   x = 988,543,999,280.25/421,176
6. Step 6: Final answer
   x = 2,347,104.30