Finding the Third Proportional to 212,925 and 469,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   212,925 : 469,054.50 = 469,054.50 : x
2. Step 2: Convert to fraction form
   212,925/469,054.50 = 469,054.50/x
3. Step 3: Cross multiply
   212,925x = 469,054.50 × 469,054.50
4. Step 4: Simplify right side
   212,925x = 220,012,123,970.25
5. Step 5: Solve for x
   x = 220,012,123,970.25/212,925
6. Step 6: Final answer
   x = 1,033,284.60