Finding the Third Proportional to 222,372 and 478,515.38

Step by Step Solution

1. Step 1: Write the proportion equation
   222,372 : 478,515.38 = 478,515.38 : x
2. Step 2: Convert to fraction form
   222,372/478,515.38 = 478,515.38/x
3. Step 3: Cross multiply
   222,372x = 478,515.38 × 478,515.38
4. Step 4: Simplify right side
   222,372x = 228,976,964,111.39
5. Step 5: Solve for x
   x = 228,976,964,111.39/222,372
6. Step 6: Final answer
   x = 1,029,702.32