Finding the Third Proportional to 636,147 and 974,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   636,147 : 974,605.50 = 974,605.50 : x
2. Step 2: Convert to fraction form
   636,147/974,605.50 = 974,605.50/x
3. Step 3: Cross multiply
   636,147x = 974,605.50 × 974,605.50
4. Step 4: Simplify right side
   636,147x = 949,855,880,630.25
5. Step 5: Solve for x
   x = 949,855,880,630.25/636,147
6. Step 6: Final answer
   x = 1,493,138.98