Finding the Third Proportional to 519,892 and 1,117,140

Step by Step Solution

1. Step 1: Write the proportion equation
   519,892 : 1,117,140 = 1,117,140 : x
2. Step 2: Convert to fraction form
   519,892/1,117,140 = 1,117,140/x
3. Step 3: Cross multiply
   519,892x = 1,117,140 × 1,117,140
4. Step 4: Simplify right side
   519,892x = 1,248,001,779,600
5. Step 5: Solve for x
   x = 1,248,001,779,600/519,892
6. Step 6: Final answer
   x = 2,400,501.99