Finding the Third Proportional to 550,119 and 841,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,119 : 841,525.50 = 841,525.50 : x
2. Step 2: Convert to fraction form
   550,119/841,525.50 = 841,525.50/x
3. Step 3: Cross multiply
   550,119x = 841,525.50 × 841,525.50
4. Step 4: Simplify right side
   550,119x = 708,165,167,150.25
5. Step 5: Solve for x
   x = 708,165,167,150.25/550,119
6. Step 6: Final answer
   x = 1,287,294.51