Finding the Third Proportional to 474,750 and 634,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   474,750 : 634,189.50 = 634,189.50 : x
2. Step 2: Convert to fraction form
   474,750/634,189.50 = 634,189.50/x
3. Step 3: Cross multiply
   474,750x = 634,189.50 × 634,189.50
4. Step 4: Simplify right side
   474,750x = 402,196,321,910.25
5. Step 5: Solve for x
   x = 402,196,321,910.25/474,750
6. Step 6: Final answer
   x = 847,174.98