Finding the Third Proportional to 811,461 and 1,762,890

Step by Step Solution

1. Step 1: Write the proportion equation
   811,461 : 1,762,890 = 1,762,890 : x
2. Step 2: Convert to fraction form
   811,461/1,762,890 = 1,762,890/x
3. Step 3: Cross multiply
   811,461x = 1,762,890 × 1,762,890
4. Step 4: Simplify right side
   811,461x = 3,107,781,152,100
5. Step 5: Solve for x
   x = 3,107,781,152,100/811,461
6. Step 6: Final answer
   x = 3,829,858.92