Finding the Third Proportional to 5,719,280 and 8,403,796

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719,280 : 8,403,796 = 8,403,796 : x
2. Step 2: Convert to fraction form
   5,719,280/8,403,796 = 8,403,796/x
3. Step 3: Cross multiply
   5,719,280x = 8,403,796 × 8,403,796
4. Step 4: Simplify right side
   5,719,280x = 70,623,787,209,616
5. Step 5: Solve for x
   x = 70,623,787,209,616/5,719,280
6. Step 6: Final answer
   x = 12,348,370.29