Finding the Third Proportional to 526,518 and 770,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   526,518 : 770,029.50 = 770,029.50 : x
2. Step 2: Convert to fraction form
   526,518/770,029.50 = 770,029.50/x
3. Step 3: Cross multiply
   526,518x = 770,029.50 × 770,029.50
4. Step 4: Simplify right side
   526,518x = 592,945,430,870.25
5. Step 5: Solve for x
   x = 592,945,430,870.25/526,518
6. Step 6: Final answer
   x = 1,126,163.65