Finding the Third Proportional to 698,912 and 1,047,272

Step by Step Solution

1. Step 1: Write the proportion equation
   698,912 : 1,047,272 = 1,047,272 : x
2. Step 2: Convert to fraction form
   698,912/1,047,272 = 1,047,272/x
3. Step 3: Cross multiply
   698,912x = 1,047,272 × 1,047,272
4. Step 4: Simplify right side
   698,912x = 1,096,778,641,984
5. Step 5: Solve for x
   x = 1,096,778,641,984/698,912
6. Step 6: Final answer
   x = 1,569,265.72