Finding the Third Proportional to 2,459,592 and 5,403,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459,592 : 5,403,421.50 = 5,403,421.50 : x
2. Step 2: Convert to fraction form
   2,459,592/5,403,421.50 = 5,403,421.50/x
3. Step 3: Cross multiply
   2,459,592x = 5,403,421.50 × 5,403,421.50
4. Step 4: Simplify right side
   2,459,592x = 29,196,963,906,662.25
5. Step 5: Solve for x
   x = 29,196,963,906,662.25/2,459,592
6. Step 6: Final answer
   x = 11,870,653.31