Finding the Third Proportional to 1,028,173.50 and 1,507,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,173.50 : 1,507,126.50 = 1,507,126.50 : x
2. Step 2: Convert to fraction form
   1,028,173.50/1,507,126.50 = 1,507,126.50/x
3. Step 3: Cross multiply
   1,028,173.50x = 1,507,126.50 × 1,507,126.50
4. Step 4: Simplify right side
   1,028,173.50x = 2,271,430,287,002.25
5. Step 5: Solve for x
   x = 2,271,430,287,002.25/1,028,173.50
6. Step 6: Final answer
   x = 2,209,189.68