Finding the Third Proportional to 488,166 and 755,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   488,166 : 755,803.50 = 755,803.50 : x
2. Step 2: Convert to fraction form
   488,166/755,803.50 = 755,803.50/x
3. Step 3: Cross multiply
   488,166x = 755,803.50 × 755,803.50
4. Step 4: Simplify right side
   488,166x = 571,238,930,612.25
5. Step 5: Solve for x
   x = 571,238,930,612.25/488,166
6. Step 6: Final answer
   x = 1,170,173.53