Finding the Third Proportional to 306,747 and 473,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   306,747 : 473,800.50 = 473,800.50 : x
2. Step 2: Convert to fraction form
   306,747/473,800.50 = 473,800.50/x
3. Step 3: Cross multiply
   306,747x = 473,800.50 × 473,800.50
4. Step 4: Simplify right side
   306,747x = 224,486,913,800.25
5. Step 5: Solve for x
   x = 224,486,913,800.25/306,747
6. Step 6: Final answer
   x = 731,830.84