Finding the Third Proportional to 2,559,888 and 5,484,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,888 : 5,484,109.50 = 5,484,109.50 : x
2. Step 2: Convert to fraction form
   2,559,888/5,484,109.50 = 5,484,109.50/x
3. Step 3: Cross multiply
   2,559,888x = 5,484,109.50 × 5,484,109.50
4. Step 4: Simplify right side
   2,559,888x = 30,075,457,007,990.25
5. Step 5: Solve for x
   x = 30,075,457,007,990.25/2,559,888
6. Step 6: Final answer
   x = 11,748,739.40