Finding the Third Proportional to 40,122 and 64,374.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,122 : 64,374.75 = 64,374.75 : x
2. Step 2: Convert to fraction form
   40,122/64,374.75 = 64,374.75/x
3. Step 3: Cross multiply
   40,122x = 64,374.75 × 64,374.75
4. Step 4: Simplify right side
   40,122x = 4,144,108,437.56
5. Step 5: Solve for x
   x = 4,144,108,437.56/40,122
6. Step 6: Final answer
   x = 103,287.68