Finding the Third Proportional to 42,429.50 and 88,345

Step by Step Solution

1. Step 1: Write the proportion equation
   42,429.50 : 88,345 = 88,345 : x
2. Step 2: Convert to fraction form
   42,429.50/88,345 = 88,345/x
3. Step 3: Cross multiply
   42,429.50x = 88,345 × 88,345
4. Step 4: Simplify right side
   42,429.50x = 7,804,839,025
5. Step 5: Solve for x
   x = 7,804,839,025/42,429.50
6. Step 6: Final answer
   x = 183,948.41