Finding the Third Proportional to 28,615.50 and 31,207.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,615.50 : 31,207.50 = 31,207.50 : x
2. Step 2: Convert to fraction form
   28,615.50/31,207.50 = 31,207.50/x
3. Step 3: Cross multiply
   28,615.50x = 31,207.50 × 31,207.50
4. Step 4: Simplify right side
   28,615.50x = 973,908,056.25
5. Step 5: Solve for x
   x = 973,908,056.25/28,615.50
6. Step 6: Final answer
   x = 34,034.28