Finding the Third Proportional to 910,623 and 1,336,410

Step by Step Solution

1. Step 1: Write the proportion equation
   910,623 : 1,336,410 = 1,336,410 : x
2. Step 2: Convert to fraction form
   910,623/1,336,410 = 1,336,410/x
3. Step 3: Cross multiply
   910,623x = 1,336,410 × 1,336,410
4. Step 4: Simplify right side
   910,623x = 1,785,991,688,100
5. Step 5: Solve for x
   x = 1,785,991,688,100/910,623
6. Step 6: Final answer
   x = 1,961,285.50