Finding the Third Proportional to 656,657.50 and 1,437,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   656,657.50 : 1,437,870.50 = 1,437,870.50 : x
2. Step 2: Convert to fraction form
   656,657.50/1,437,870.50 = 1,437,870.50/x
3. Step 3: Cross multiply
   656,657.50x = 1,437,870.50 × 1,437,870.50
4. Step 4: Simplify right side
   656,657.50x = 2,067,471,574,770.25
5. Step 5: Solve for x
   x = 2,067,471,574,770.25/656,657.50
6. Step 6: Final answer
   x = 3,148,477.82