Finding the Third Proportional to 359,641 and 787,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,641 : 787,009.50 = 787,009.50 : x
2. Step 2: Convert to fraction form
   359,641/787,009.50 = 787,009.50/x
3. Step 3: Cross multiply
   359,641x = 787,009.50 × 787,009.50
4. Step 4: Simplify right side
   359,641x = 619,383,953,090.25
5. Step 5: Solve for x
   x = 619,383,953,090.25/359,641
6. Step 6: Final answer
   x = 1,722,228.43