Finding the Third Proportional to 575,355 and 900,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   575,355 : 900,598.50 = 900,598.50 : x
2. Step 2: Convert to fraction form
   575,355/900,598.50 = 900,598.50/x
3. Step 3: Cross multiply
   575,355x = 900,598.50 × 900,598.50
4. Step 4: Simplify right side
   575,355x = 811,077,658,202.25
5. Step 5: Solve for x
   x = 811,077,658,202.25/575,355
6. Step 6: Final answer
   x = 1,409,699.50