Finding the Third Proportional to 42,801.94 and 66,534.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,801.94 : 66,534.19 = 66,534.19 : x
2. Step 2: Convert to fraction form
   42,801.94/66,534.19 = 66,534.19/x
3. Step 3: Cross multiply
   42,801.94x = 66,534.19 × 66,534.19
4. Step 4: Simplify right side
   42,801.94x = 4,426,798,106.29
5. Step 5: Solve for x
   x = 4,426,798,106.29/42,801.94
6. Step 6: Final answer
   x = 103,425.18