Finding the Third Proportional to 585,315 and 875,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   585,315 : 875,476.50 = 875,476.50 : x
2. Step 2: Convert to fraction form
   585,315/875,476.50 = 875,476.50/x
3. Step 3: Cross multiply
   585,315x = 875,476.50 × 875,476.50
4. Step 4: Simplify right side
   585,315x = 766,459,102,052.25
5. Step 5: Solve for x
   x = 766,459,102,052.25/585,315
6. Step 6: Final answer
   x = 1,309,481.39