Finding the Third Proportional to 992,478 and 2,152,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   992,478 : 2,152,957.50 = 2,152,957.50 : x
2. Step 2: Convert to fraction form
   992,478/2,152,957.50 = 2,152,957.50/x
3. Step 3: Cross multiply
   992,478x = 2,152,957.50 × 2,152,957.50
4. Step 4: Simplify right side
   992,478x = 4,635,225,996,806.25
5. Step 5: Solve for x
   x = 4,635,225,996,806.25/992,478
6. Step 6: Final answer
   x = 4,670,356.42