Finding the Third Proportional to 45,358 and 105,445

Step by Step Solution

1. Step 1: Write the proportion equation
   45,358 : 105,445 = 105,445 : x
2. Step 2: Convert to fraction form
   45,358/105,445 = 105,445/x
3. Step 3: Cross multiply
   45,358x = 105,445 × 105,445
4. Step 4: Simplify right side
   45,358x = 11,118,648,025
5. Step 5: Solve for x
   x = 11,118,648,025/45,358
6. Step 6: Final answer
   x = 245,130.91