Finding the Third Proportional to 112,985.72 and 154,927.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,985.72 : 154,927.69 = 154,927.69 : x
2. Step 2: Convert to fraction form
   112,985.72/154,927.69 = 154,927.69/x
3. Step 3: Cross multiply
   112,985.72x = 154,927.69 × 154,927.69
4. Step 4: Simplify right side
   112,985.72x = 24,002,588,354.10
5. Step 5: Solve for x
   x = 24,002,588,354.10/112,985.72
6. Step 6: Final answer
   x = 212,439.13