Finding the Third Proportional to 881,680 and 1,309,560

Step by Step Solution

1. Step 1: Write the proportion equation
   881,680 : 1,309,560 = 1,309,560 : x
2. Step 2: Convert to fraction form
   881,680/1,309,560 = 1,309,560/x
3. Step 3: Cross multiply
   881,680x = 1,309,560 × 1,309,560
4. Step 4: Simplify right side
   881,680x = 1,714,947,393,600
5. Step 5: Solve for x
   x = 1,714,947,393,600/881,680
6. Step 6: Final answer
   x = 1,945,090.50