Finding the Third Proportional to 155,455.50 and 307,272

Step by Step Solution

1. Step 1: Write the proportion equation
   155,455.50 : 307,272 = 307,272 : x
2. Step 2: Convert to fraction form
   155,455.50/307,272 = 307,272/x
3. Step 3: Cross multiply
   155,455.50x = 307,272 × 307,272
4. Step 4: Simplify right side
   155,455.50x = 94,416,081,984
5. Step 5: Solve for x
   x = 94,416,081,984/155,455.50
6. Step 6: Final answer
   x = 607,351.18