Finding the Third Proportional to 245,731.50 and 370,854

Step by Step Solution

1. Step 1: Write the proportion equation
   245,731.50 : 370,854 = 370,854 : x
2. Step 2: Convert to fraction form
   245,731.50/370,854 = 370,854/x
3. Step 3: Cross multiply
   245,731.50x = 370,854 × 370,854
4. Step 4: Simplify right side
   245,731.50x = 137,532,689,316
5. Step 5: Solve for x
   x = 137,532,689,316/245,731.50
6. Step 6: Final answer
   x = 559,686.85