Finding the Third Proportional to 1,012,352 and 2,138,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,352 : 2,138,536 = 2,138,536 : x
2. Step 2: Convert to fraction form
   1,012,352/2,138,536 = 2,138,536/x
3. Step 3: Cross multiply
   1,012,352x = 2,138,536 × 2,138,536
4. Step 4: Simplify right side
   1,012,352x = 4,573,336,223,296
5. Step 5: Solve for x
   x = 4,573,336,223,296/1,012,352
6. Step 6: Final answer
   x = 4,517,535.62