Finding the Third Proportional to 326,898 and 708,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,898 : 708,045.50 = 708,045.50 : x
2. Step 2: Convert to fraction form
   326,898/708,045.50 = 708,045.50/x
3. Step 3: Cross multiply
   326,898x = 708,045.50 × 708,045.50
4. Step 4: Simplify right side
   326,898x = 501,328,430,070.25
5. Step 5: Solve for x
   x = 501,328,430,070.25/326,898
6. Step 6: Final answer
   x = 1,533,592.83