Finding the Third Proportional to 245,172 and 371,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,172 : 371,425.50 = 371,425.50 : x
2. Step 2: Convert to fraction form
   245,172/371,425.50 = 371,425.50/x
3. Step 3: Cross multiply
   245,172x = 371,425.50 × 371,425.50
4. Step 4: Simplify right side
   245,172x = 137,956,902,050.25
5. Step 5: Solve for x
   x = 137,956,902,050.25/245,172
6. Step 6: Final answer
   x = 562,694.36