Finding the Third Proportional to 558,152 and 891,082

Step by Step Solution

1. Step 1: Write the proportion equation
   558,152 : 891,082 = 891,082 : x
2. Step 2: Convert to fraction form
   558,152/891,082 = 891,082/x
3. Step 3: Cross multiply
   558,152x = 891,082 × 891,082
4. Step 4: Simplify right side
   558,152x = 794,027,130,724
5. Step 5: Solve for x
   x = 794,027,130,724/558,152
6. Step 6: Final answer
   x = 1,422,600.17