Finding the Third Proportional to 872,348 and 1,776,772

Step by Step Solution

1. Step 1: Write the proportion equation
   872,348 : 1,776,772 = 1,776,772 : x
2. Step 2: Convert to fraction form
   872,348/1,776,772 = 1,776,772/x
3. Step 3: Cross multiply
   872,348x = 1,776,772 × 1,776,772
4. Step 4: Simplify right side
   872,348x = 3,156,918,739,984
5. Step 5: Solve for x
   x = 3,156,918,739,984/872,348
6. Step 6: Final answer
   x = 3,618,875.43