Finding the Third Proportional to 911,240 and 1,402,536

Step by Step Solution

1. Step 1: Write the proportion equation
   911,240 : 1,402,536 = 1,402,536 : x
2. Step 2: Convert to fraction form
   911,240/1,402,536 = 1,402,536/x
3. Step 3: Cross multiply
   911,240x = 1,402,536 × 1,402,536
4. Step 4: Simplify right side
   911,240x = 1,967,107,231,296
5. Step 5: Solve for x
   x = 1,967,107,231,296/911,240
6. Step 6: Final answer
   x = 2,158,714.75