Finding the Third Proportional to 245,851.31 and 371,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,851.31 : 371,038.50 = 371,038.50 : x
2. Step 2: Convert to fraction form
   245,851.31/371,038.50 = 371,038.50/x
3. Step 3: Cross multiply
   245,851.31x = 371,038.50 × 371,038.50
4. Step 4: Simplify right side
   245,851.31x = 137,669,568,482.25
5. Step 5: Solve for x
   x = 137,669,568,482.25/245,851.31
6. Step 6: Final answer
   x = 559,970.85