Finding the Third Proportional to 42,300 and 66,932.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,300 : 66,932.25 = 66,932.25 : x
2. Step 2: Convert to fraction form
   42,300/66,932.25 = 66,932.25/x
3. Step 3: Cross multiply
   42,300x = 66,932.25 × 66,932.25
4. Step 4: Simplify right side
   42,300x = 4,479,926,090.06
5. Step 5: Solve for x
   x = 4,479,926,090.06/42,300
6. Step 6: Final answer
   x = 105,908.42