Finding the Third Proportional to 245,838 and 371,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,838 : 371,005.50 = 371,005.50 : x
2. Step 2: Convert to fraction form
   245,838/371,005.50 = 371,005.50/x
3. Step 3: Cross multiply
   245,838x = 371,005.50 × 371,005.50
4. Step 4: Simplify right side
   245,838x = 137,645,081,030.25
5. Step 5: Solve for x
   x = 137,645,081,030.25/245,838
6. Step 6: Final answer
   x = 559,901.57