Finding the Third Proportional to 7,812.98 and 11,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,812.98 : 11,164.50 = 11,164.50 : x
2. Step 2: Convert to fraction form
   7,812.98/11,164.50 = 11,164.50/x
3. Step 3: Cross multiply
   7,812.98x = 11,164.50 × 11,164.50
4. Step 4: Simplify right side
   7,812.98x = 124,646,060.25
5. Step 5: Solve for x
   x = 124,646,060.25/7,812.98
6. Step 6: Final answer
   x = 15,953.71