Finding the Third Proportional to 1,181,821.50 and 1,721,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181,821.50 : 1,721,047.50 = 1,721,047.50 : x
2. Step 2: Convert to fraction form
   1,181,821.50/1,721,047.50 = 1,721,047.50/x
3. Step 3: Cross multiply
   1,181,821.50x = 1,721,047.50 × 1,721,047.50
4. Step 4: Simplify right side
   1,181,821.50x = 2,962,004,497,256.25
5. Step 5: Solve for x
   x = 2,962,004,497,256.25/1,181,821.50
6. Step 6: Final answer
   x = 2,506,304.46