Finding the Third Proportional to 1,239,624 and 1,914,111

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,624 : 1,914,111 = 1,914,111 : x
2. Step 2: Convert to fraction form
   1,239,624/1,914,111 = 1,914,111/x
3. Step 3: Cross multiply
   1,239,624x = 1,914,111 × 1,914,111
4. Step 4: Simplify right side
   1,239,624x = 3,663,820,920,321
5. Step 5: Solve for x
   x = 3,663,820,920,321/1,239,624
6. Step 6: Final answer
   x = 2,955,590.50