Finding the Third Proportional to 56,440.13 and 77,394.23

Step by Step Solution

1. Step 1: Write the proportion equation
   56,440.13 : 77,394.23 = 77,394.23 : x
2. Step 2: Convert to fraction form
   56,440.13/77,394.23 = 77,394.23/x
3. Step 3: Cross multiply
   56,440.13x = 77,394.23 × 77,394.23
4. Step 4: Simplify right side
   56,440.13x = 5,989,867,514.49
5. Step 5: Solve for x
   x = 5,989,867,514.49/56,440.13
6. Step 6: Final answer
   x = 106,127.82