Finding the Third Proportional to 222,073 and 488,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,073 : 488,432.50 = 488,432.50 : x
2. Step 2: Convert to fraction form
   222,073/488,432.50 = 488,432.50/x
3. Step 3: Cross multiply
   222,073x = 488,432.50 × 488,432.50
4. Step 4: Simplify right side
   222,073x = 238,566,307,056.25
5. Step 5: Solve for x
   x = 238,566,307,056.25/222,073
6. Step 6: Final answer
   x = 1,074,269.75