Finding the Third Proportional to 147,875.63 and 320,662.55

Step by Step Solution

1. Step 1: Write the proportion equation
   147,875.63 : 320,662.55 = 320,662.55 : x
2. Step 2: Convert to fraction form
   147,875.63/320,662.55 = 320,662.55/x
3. Step 3: Cross multiply
   147,875.63x = 320,662.55 × 320,662.55
4. Step 4: Simplify right side
   147,875.63x = 102,824,468,968.36
5. Step 5: Solve for x
   x = 102,824,468,968.36/147,875.63
6. Step 6: Final answer
   x = 695,344.27