Finding the Third Proportional to 463,410 and 680,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   463,410 : 680,080.50 = 680,080.50 : x
2. Step 2: Convert to fraction form
   463,410/680,080.50 = 680,080.50/x
3. Step 3: Cross multiply
   463,410x = 680,080.50 × 680,080.50
4. Step 4: Simplify right side
   463,410x = 462,509,486,480.25
5. Step 5: Solve for x
   x = 462,509,486,480.25/463,410
6. Step 6: Final answer
   x = 998,056.77