Finding the Third Proportional to 56,426 and 85,748

Step by Step Solution

1. Step 1: Write the proportion equation
   56,426 : 85,748 = 85,748 : x
2. Step 2: Convert to fraction form
   56,426/85,748 = 85,748/x
3. Step 3: Cross multiply
   56,426x = 85,748 × 85,748
4. Step 4: Simplify right side
   56,426x = 7,352,719,504
5. Step 5: Solve for x
   x = 7,352,719,504/56,426
6. Step 6: Final answer
   x = 130,307.30