Finding the Third Proportional to 907,172 and 1,986,712

Step by Step Solution

1. Step 1: Write the proportion equation
   907,172 : 1,986,712 = 1,986,712 : x
2. Step 2: Convert to fraction form
   907,172/1,986,712 = 1,986,712/x
3. Step 3: Cross multiply
   907,172x = 1,986,712 × 1,986,712
4. Step 4: Simplify right side
   907,172x = 3,947,024,570,944
5. Step 5: Solve for x
   x = 3,947,024,570,944/907,172
6. Step 6: Final answer
   x = 4,350,910.93