Finding the Third Proportional to 487,248 and 749,892

Step by Step Solution

1. Step 1: Write the proportion equation
   487,248 : 749,892 = 749,892 : x
2. Step 2: Convert to fraction form
   487,248/749,892 = 749,892/x
3. Step 3: Cross multiply
   487,248x = 749,892 × 749,892
4. Step 4: Simplify right side
   487,248x = 562,338,011,664
5. Step 5: Solve for x
   x = 562,338,011,664/487,248
6. Step 6: Final answer
   x = 1,154,110.46