Finding the Third Proportional to 366,155 and 771,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,155 : 771,675.50 = 771,675.50 : x
2. Step 2: Convert to fraction form
   366,155/771,675.50 = 771,675.50/x
3. Step 3: Cross multiply
   366,155x = 771,675.50 × 771,675.50
4. Step 4: Simplify right side
   366,155x = 595,483,077,300.25
5. Step 5: Solve for x
   x = 595,483,077,300.25/366,155
6. Step 6: Final answer
   x = 1,626,314.20