Finding the Third Proportional to 489,927 and 749,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   489,927 : 749,461.50 = 749,461.50 : x
2. Step 2: Convert to fraction form
   489,927/749,461.50 = 749,461.50/x
3. Step 3: Cross multiply
   489,927x = 749,461.50 × 749,461.50
4. Step 4: Simplify right side
   489,927x = 561,692,539,982.25
5. Step 5: Solve for x
   x = 561,692,539,982.25/489,927
6. Step 6: Final answer
   x = 1,146,482.11