Finding the Third Proportional to 1,913,260 and 4,199,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,260 : 4,199,724 = 4,199,724 : x
2. Step 2: Convert to fraction form
   1,913,260/4,199,724 = 4,199,724/x
3. Step 3: Cross multiply
   1,913,260x = 4,199,724 × 4,199,724
4. Step 4: Simplify right side
   1,913,260x = 17,637,681,676,176
5. Step 5: Solve for x
   x = 17,637,681,676,176/1,913,260
6. Step 6: Final answer
   x = 9,218,653.86