Finding the Third Proportional to 147,625.88 and 309,285

Step by Step Solution

1. Step 1: Write the proportion equation
   147,625.88 : 309,285 = 309,285 : x
2. Step 2: Convert to fraction form
   147,625.88/309,285 = 309,285/x
3. Step 3: Cross multiply
   147,625.88x = 309,285 × 309,285
4. Step 4: Simplify right side
   147,625.88x = 95,657,211,225
5. Step 5: Solve for x
   x = 95,657,211,225/147,625.88
6. Step 6: Final answer
   x = 647,970.49