Finding the Third Proportional to 112,358 and 245,818

Step by Step Solution

1. Step 1: Write the proportion equation
   112,358 : 245,818 = 245,818 : x
2. Step 2: Convert to fraction form
   112,358/245,818 = 245,818/x
3. Step 3: Cross multiply
   112,358x = 245,818 × 245,818
4. Step 4: Simplify right side
   112,358x = 60,426,489,124
5. Step 5: Solve for x
   x = 60,426,489,124/112,358
6. Step 6: Final answer
   x = 537,803.17