Finding the Third Proportional to 42,994 and 66,436

Step by Step Solution

1. Step 1: Write the proportion equation
   42,994 : 66,436 = 66,436 : x
2. Step 2: Convert to fraction form
   42,994/66,436 = 66,436/x
3. Step 3: Cross multiply
   42,994x = 66,436 × 66,436
4. Step 4: Simplify right side
   42,994x = 4,413,742,096
5. Step 5: Solve for x
   x = 4,413,742,096/42,994
6. Step 6: Final answer
   x = 102,659.49