Finding the Third Proportional to 70,479 and 103,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,479 : 103,072.50 = 103,072.50 : x
2. Step 2: Convert to fraction form
   70,479/103,072.50 = 103,072.50/x
3. Step 3: Cross multiply
   70,479x = 103,072.50 × 103,072.50
4. Step 4: Simplify right side
   70,479x = 10,623,940,256.25
5. Step 5: Solve for x
   x = 10,623,940,256.25/70,479
6. Step 6: Final answer
   x = 150,739.09