Finding the Third Proportional to 551,106 and 834,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   551,106 : 834,961.50 = 834,961.50 : x
2. Step 2: Convert to fraction form
   551,106/834,961.50 = 834,961.50/x
3. Step 3: Cross multiply
   551,106x = 834,961.50 × 834,961.50
4. Step 4: Simplify right side
   551,106x = 697,160,706,482.25
5. Step 5: Solve for x
   x = 697,160,706,482.25/551,106
6. Step 6: Final answer
   x = 1,265,021.08