Finding the Third Proportional to 56,530.50 and 124,158

Step by Step Solution

1. Step 1: Write the proportion equation
   56,530.50 : 124,158 = 124,158 : x
2. Step 2: Convert to fraction form
   56,530.50/124,158 = 124,158/x
3. Step 3: Cross multiply
   56,530.50x = 124,158 × 124,158
4. Step 4: Simplify right side
   56,530.50x = 15,415,208,964
5. Step 5: Solve for x
   x = 15,415,208,964/56,530.50
6. Step 6: Final answer
   x = 272,688.35