Finding the Third Proportional to 179,971,870.50 and 268,778,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,971,870.50 : 268,778,464.50 = 268,778,464.50 : x
2. Step 2: Convert to fraction form
   179,971,870.50/268,778,464.50 = 268,778,464.50/x
3. Step 3: Cross multiply
   179,971,870.50x = 268,778,464.50 × 268,778,464.50
4. Step 4: Simplify right side
   179,971,870.50x = 72,241,862,978,977,760
5. Step 5: Solve for x
   x = 72,241,862,978,977,760/179,971,870.50
6. Step 6: Final answer
   x = 401,406,413.00