Finding the Third Proportional to 227,139 and 352,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,139 : 352,702.50 = 352,702.50 : x
2. Step 2: Convert to fraction form
   227,139/352,702.50 = 352,702.50/x
3. Step 3: Cross multiply
   227,139x = 352,702.50 × 352,702.50
4. Step 4: Simplify right side
   227,139x = 124,399,053,506.25
5. Step 5: Solve for x
   x = 124,399,053,506.25/227,139
6. Step 6: Final answer
   x = 547,678.09