Finding the Third Proportional to 550,077.50 and 875,282

Step by Step Solution

1. Step 1: Write the proportion equation
   550,077.50 : 875,282 = 875,282 : x
2. Step 2: Convert to fraction form
   550,077.50/875,282 = 875,282/x
3. Step 3: Cross multiply
   550,077.50x = 875,282 × 875,282
4. Step 4: Simplify right side
   550,077.50x = 766,118,579,524
5. Step 5: Solve for x
   x = 766,118,579,524/550,077.50
6. Step 6: Final answer
   x = 1,392,746.62