Finding the Third Proportional to 1,242,116.25 and 2,661,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,116.25 : 2,661,298.50 = 2,661,298.50 : x
2. Step 2: Convert to fraction form
   1,242,116.25/2,661,298.50 = 2,661,298.50/x
3. Step 3: Cross multiply
   1,242,116.25x = 2,661,298.50 × 2,661,298.50
4. Step 4: Simplify right side
   1,242,116.25x = 7,082,509,706,102.25
5. Step 5: Solve for x
   x = 7,082,509,706,102.25/1,242,116.25
6. Step 6: Final answer
   x = 5,701,970.09