Finding the Third Proportional to 42,784.50 and 103,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,784.50 : 103,072.50 = 103,072.50 : x
2. Step 2: Convert to fraction form
   42,784.50/103,072.50 = 103,072.50/x
3. Step 3: Cross multiply
   42,784.50x = 103,072.50 × 103,072.50
4. Step 4: Simplify right side
   42,784.50x = 10,623,940,256.25
5. Step 5: Solve for x
   x = 10,623,940,256.25/42,784.50
6. Step 6: Final answer
   x = 248,312.83