Finding the Third Proportional to 474,669 and 634,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   474,669 : 634,072.50 = 634,072.50 : x
2. Step 2: Convert to fraction form
   474,669/634,072.50 = 634,072.50/x
3. Step 3: Cross multiply
   474,669x = 634,072.50 × 634,072.50
4. Step 4: Simplify right side
   474,669x = 402,047,935,256.25
5. Step 5: Solve for x
   x = 402,047,935,256.25/474,669
6. Step 6: Final answer
   x = 847,006.94