Finding the Third Proportional to 222,531 and 341,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,531 : 341,572.50 = 341,572.50 : x
2. Step 2: Convert to fraction form
   222,531/341,572.50 = 341,572.50/x
3. Step 3: Cross multiply
   222,531x = 341,572.50 × 341,572.50
4. Step 4: Simplify right side
   222,531x = 116,671,772,756.25
5. Step 5: Solve for x
   x = 116,671,772,756.25/222,531
6. Step 6: Final answer
   x = 524,294.47