Finding the Third Proportional to 30,490 and 45,736

Step by Step Solution

1. Step 1: Write the proportion equation
   30,490 : 45,736 = 45,736 : x
2. Step 2: Convert to fraction form
   30,490/45,736 = 45,736/x
3. Step 3: Cross multiply
   30,490x = 45,736 × 45,736
4. Step 4: Simplify right side
   30,490x = 2,091,781,696
5. Step 5: Solve for x
   x = 2,091,781,696/30,490
6. Step 6: Final answer
   x = 68,605.50