Finding the Third Proportional to 145,417.50 and 307,602

Step by Step Solution

1. Step 1: Write the proportion equation
   145,417.50 : 307,602 = 307,602 : x
2. Step 2: Convert to fraction form
   145,417.50/307,602 = 307,602/x
3. Step 3: Cross multiply
   145,417.50x = 307,602 × 307,602
4. Step 4: Simplify right side
   145,417.50x = 94,618,990,404
5. Step 5: Solve for x
   x = 94,618,990,404/145,417.50
6. Step 6: Final answer
   x = 650,671.28