Finding the Third Proportional to 907,248 and 1,972,128

Step by Step Solution

1. Step 1: Write the proportion equation
   907,248 : 1,972,128 = 1,972,128 : x
2. Step 2: Convert to fraction form
   907,248/1,972,128 = 1,972,128/x
3. Step 3: Cross multiply
   907,248x = 1,972,128 × 1,972,128
4. Step 4: Simplify right side
   907,248x = 3,889,288,848,384
5. Step 5: Solve for x
   x = 3,889,288,848,384/907,248
6. Step 6: Final answer
   x = 4,286,908.15