Finding the Third Proportional to 722,186 and 1,564,900

Step by Step Solution

1. Step 1: Write the proportion equation
   722,186 : 1,564,900 = 1,564,900 : x
2. Step 2: Convert to fraction form
   722,186/1,564,900 = 1,564,900/x
3. Step 3: Cross multiply
   722,186x = 1,564,900 × 1,564,900
4. Step 4: Simplify right side
   722,186x = 2,448,912,010,000
5. Step 5: Solve for x
   x = 2,448,912,010,000/722,186
6. Step 6: Final answer
   x = 3,390,971.31