Finding the Third Proportional to 617,877 and 929,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,877 : 929,974.50 = 929,974.50 : x
2. Step 2: Convert to fraction form
   617,877/929,974.50 = 929,974.50/x
3. Step 3: Cross multiply
   617,877x = 929,974.50 × 929,974.50
4. Step 4: Simplify right side
   617,877x = 864,852,570,650.25
5. Step 5: Solve for x
   x = 864,852,570,650.25/617,877
6. Step 6: Final answer
   x = 1,399,716.40