Finding the Third Proportional to 299,160 and 447,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   299,160 : 447,727.50 = 447,727.50 : x
2. Step 2: Convert to fraction form
   299,160/447,727.50 = 447,727.50/x
3. Step 3: Cross multiply
   299,160x = 447,727.50 × 447,727.50
4. Step 4: Simplify right side
   299,160x = 200,459,914,256.25
5. Step 5: Solve for x
   x = 200,459,914,256.25/299,160
6. Step 6: Final answer
   x = 670,075.93