Finding the Third Proportional to 442,151 and 947,390

Step by Step Solution

1. Step 1: Write the proportion equation
   442,151 : 947,390 = 947,390 : x
2. Step 2: Convert to fraction form
   442,151/947,390 = 947,390/x
3. Step 3: Cross multiply
   442,151x = 947,390 × 947,390
4. Step 4: Simplify right side
   442,151x = 897,547,812,100
5. Step 5: Solve for x
   x = 897,547,812,100/442,151
6. Step 6: Final answer
   x = 2,029,957.67