Finding the Third Proportional to 516,174 and 1,111,438

Step by Step Solution

1. Step 1: Write the proportion equation
   516,174 : 1,111,438 = 1,111,438 : x
2. Step 2: Convert to fraction form
   516,174/1,111,438 = 1,111,438/x
3. Step 3: Cross multiply
   516,174x = 1,111,438 × 1,111,438
4. Step 4: Simplify right side
   516,174x = 1,235,294,427,844
5. Step 5: Solve for x
   x = 1,235,294,427,844/516,174
6. Step 6: Final answer
   x = 2,393,174.45