Finding the Third Proportional to 918,174 and 1,231,461

Step by Step Solution

1. Step 1: Write the proportion equation
   918,174 : 1,231,461 = 1,231,461 : x
2. Step 2: Convert to fraction form
   918,174/1,231,461 = 1,231,461/x
3. Step 3: Cross multiply
   918,174x = 1,231,461 × 1,231,461
4. Step 4: Simplify right side
   918,174x = 1,516,496,194,521
5. Step 5: Solve for x
   x = 1,516,496,194,521/918,174
6. Step 6: Final answer
   x = 1,651,643.58