Finding the Third Proportional to 5,070.25 and 7,813.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,070.25 : 7,813.88 = 7,813.88 : x
2. Step 2: Convert to fraction form
   5,070.25/7,813.88 = 7,813.88/x
3. Step 3: Cross multiply
   5,070.25x = 7,813.88 × 7,813.88
4. Step 4: Simplify right side
   5,070.25x = 61,056,642.52
5. Step 5: Solve for x
   x = 61,056,642.52/5,070.25
6. Step 6: Final answer
   x = 12,042.14