Finding the Third Proportional to 749,188 and 1,217,208

Step by Step Solution

1. Step 1: Write the proportion equation
   749,188 : 1,217,208 = 1,217,208 : x
2. Step 2: Convert to fraction form
   749,188/1,217,208 = 1,217,208/x
3. Step 3: Cross multiply
   749,188x = 1,217,208 × 1,217,208
4. Step 4: Simplify right side
   749,188x = 1,481,595,315,264
5. Step 5: Solve for x
   x = 1,481,595,315,264/749,188
6. Step 6: Final answer
   x = 1,977,601.50