Finding the Third Proportional to 112,764.50 and 243,158

Step by Step Solution

1. Step 1: Write the proportion equation
   112,764.50 : 243,158 = 243,158 : x
2. Step 2: Convert to fraction form
   112,764.50/243,158 = 243,158/x
3. Step 3: Cross multiply
   112,764.50x = 243,158 × 243,158
4. Step 4: Simplify right side
   112,764.50x = 59,125,812,964
5. Step 5: Solve for x
   x = 59,125,812,964/112,764.50
6. Step 6: Final answer
   x = 524,330.02