Finding the Third Proportional to 1,917,585 and 4,260,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,585 : 4,260,822 = 4,260,822 : x
2. Step 2: Convert to fraction form
   1,917,585/4,260,822 = 4,260,822/x
3. Step 3: Cross multiply
   1,917,585x = 4,260,822 × 4,260,822
4. Step 4: Simplify right side
   1,917,585x = 18,154,604,115,684
5. Step 5: Solve for x
   x = 18,154,604,115,684/1,917,585
6. Step 6: Final answer
   x = 9,467,431.23