Finding the Third Proportional to 56,443 and 77,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,443 : 77,398.50 = 77,398.50 : x
2. Step 2: Convert to fraction form
   56,443/77,398.50 = 77,398.50/x
3. Step 3: Cross multiply
   56,443x = 77,398.50 × 77,398.50
4. Step 4: Simplify right side
   56,443x = 5,990,527,802.25
5. Step 5: Solve for x
   x = 5,990,527,802.25/56,443
6. Step 6: Final answer
   x = 106,134.11