Finding the Third Proportional to 789,774 and 1,128,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   789,774 : 1,128,592.50 = 1,128,592.50 : x
2. Step 2: Convert to fraction form
   789,774/1,128,592.50 = 1,128,592.50/x
3. Step 3: Cross multiply
   789,774x = 1,128,592.50 × 1,128,592.50
4. Step 4: Simplify right side
   789,774x = 1,273,721,031,056.25
5. Step 5: Solve for x
   x = 1,273,721,031,056.25/789,774
6. Step 6: Final answer
   x = 1,612,766.48