Finding the Third Proportional to 491,427 and 740,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,427 : 740,602.50 = 740,602.50 : x
2. Step 2: Convert to fraction form
   491,427/740,602.50 = 740,602.50/x
3. Step 3: Cross multiply
   491,427x = 740,602.50 × 740,602.50
4. Step 4: Simplify right side
   491,427x = 548,492,063,006.25
5. Step 5: Solve for x
   x = 548,492,063,006.25/491,427
6. Step 6: Final answer
   x = 1,116,121.14