Finding the Third Proportional to 218,897 and 464,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   218,897 : 464,152.50 = 464,152.50 : x
2. Step 2: Convert to fraction form
   218,897/464,152.50 = 464,152.50/x
3. Step 3: Cross multiply
   218,897x = 464,152.50 × 464,152.50
4. Step 4: Simplify right side
   218,897x = 215,437,543,256.25
5. Step 5: Solve for x
   x = 215,437,543,256.25/218,897
6. Step 6: Final answer
   x = 984,195.96