Finding the Third Proportional to 1,248,788 and 1,859,358

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,788 : 1,859,358 = 1,859,358 : x
2. Step 2: Convert to fraction form
   1,248,788/1,859,358 = 1,859,358/x
3. Step 3: Cross multiply
   1,248,788x = 1,859,358 × 1,859,358
4. Step 4: Simplify right side
   1,248,788x = 3,457,212,172,164
5. Step 5: Solve for x
   x = 3,457,212,172,164/1,248,788
6. Step 6: Final answer
   x = 2,768,454.03