Finding the Third Proportional to 307,017 and 473,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   307,017 : 473,647.50 = 473,647.50 : x
2. Step 2: Convert to fraction form
   307,017/473,647.50 = 473,647.50/x
3. Step 3: Cross multiply
   307,017x = 473,647.50 × 473,647.50
4. Step 4: Simplify right side
   307,017x = 224,341,954,256.25
5. Step 5: Solve for x
   x = 224,341,954,256.25/307,017
6. Step 6: Final answer
   x = 730,715.09