Finding the Third Proportional to 491,418 and 740,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,418 : 740,587.50 = 740,587.50 : x
2. Step 2: Convert to fraction form
   491,418/740,587.50 = 740,587.50/x
3. Step 3: Cross multiply
   491,418x = 740,587.50 × 740,587.50
4. Step 4: Simplify right side
   491,418x = 548,469,845,156.25
5. Step 5: Solve for x
   x = 548,469,845,156.25/491,418
6. Step 6: Final answer
   x = 1,116,096.37