Finding the Third Proportional to 266,050 and 391,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   266,050 : 391,294.50 = 391,294.50 : x
2. Step 2: Convert to fraction form
   266,050/391,294.50 = 391,294.50/x
3. Step 3: Cross multiply
   266,050x = 391,294.50 × 391,294.50
4. Step 4: Simplify right side
   266,050x = 153,111,385,730.25
5. Step 5: Solve for x
   x = 153,111,385,730.25/266,050
6. Step 6: Final answer
   x = 575,498.54