Finding the Third Proportional to 112,430 and 245,164

Step by Step Solution

1. Step 1: Write the proportion equation
   112,430 : 245,164 = 245,164 : x
2. Step 2: Convert to fraction form
   112,430/245,164 = 245,164/x
3. Step 3: Cross multiply
   112,430x = 245,164 × 245,164
4. Step 4: Simplify right side
   112,430x = 60,105,386,896
5. Step 5: Solve for x
   x = 60,105,386,896/112,430
6. Step 6: Final answer
   x = 534,602.75