Finding the Third Proportional to 56,643,448.50 and 123,816,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,643,448.50 : 123,816,874.50 = 123,816,874.50 : x
2. Step 2: Convert to fraction form
   56,643,448.50/123,816,874.50 = 123,816,874.50/x
3. Step 3: Cross multiply
   56,643,448.50x = 123,816,874.50 × 123,816,874.50
4. Step 4: Simplify right side
   56,643,448.50x = 15,330,618,410,948,750
5. Step 5: Solve for x
   x = 15,330,618,410,948,750/56,643,448.50
6. Step 6: Final answer
   x = 270,651,219.46