Finding the Third Proportional to 100,903.50 and 214,106

Step by Step Solution

1. Step 1: Write the proportion equation
   100,903.50 : 214,106 = 214,106 : x
2. Step 2: Convert to fraction form
   100,903.50/214,106 = 214,106/x
3. Step 3: Cross multiply
   100,903.50x = 214,106 × 214,106
4. Step 4: Simplify right side
   100,903.50x = 45,841,379,236
5. Step 5: Solve for x
   x = 45,841,379,236/100,903.50
6. Step 6: Final answer
   x = 454,309.11