Finding the Third Proportional to 73,444.50 and 153,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,444.50 : 153,274.50 = 153,274.50 : x
2. Step 2: Convert to fraction form
   73,444.50/153,274.50 = 153,274.50/x
3. Step 3: Cross multiply
   73,444.50x = 153,274.50 × 153,274.50
4. Step 4: Simplify right side
   73,444.50x = 23,493,072,350.25
5. Step 5: Solve for x
   x = 23,493,072,350.25/73,444.50
6. Step 6: Final answer
   x = 319,875.18