Finding the Third Proportional to 305,532 and 449,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   305,532 : 449,428.50 = 449,428.50 : x
2. Step 2: Convert to fraction form
   305,532/449,428.50 = 449,428.50/x
3. Step 3: Cross multiply
   305,532x = 449,428.50 × 449,428.50
4. Step 4: Simplify right side
   305,532x = 201,985,976,612.25
5. Step 5: Solve for x
   x = 201,985,976,612.25/305,532
6. Step 6: Final answer
   x = 661,095.98