Finding the Third Proportional to 245,870 and 370,536

Step by Step Solution

1. Step 1: Write the proportion equation
   245,870 : 370,536 = 370,536 : x
2. Step 2: Convert to fraction form
   245,870/370,536 = 370,536/x
3. Step 3: Cross multiply
   245,870x = 370,536 × 370,536
4. Step 4: Simplify right side
   245,870x = 137,296,927,296
5. Step 5: Solve for x
   x = 137,296,927,296/245,870
6. Step 6: Final answer
   x = 558,412.69