Finding the Third Proportional to 214,435.50 and 314,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   214,435.50 : 314,488.50 = 314,488.50 : x
2. Step 2: Convert to fraction form
   214,435.50/314,488.50 = 314,488.50/x
3. Step 3: Cross multiply
   214,435.50x = 314,488.50 × 314,488.50
4. Step 4: Simplify right side
   214,435.50x = 98,903,016,632.25
5. Step 5: Solve for x
   x = 98,903,016,632.25/214,435.50
6. Step 6: Final answer
   x = 461,225.01