Finding the Third Proportional to 56,611,345.50 and 123,821,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,611,345.50 : 123,821,965.50 = 123,821,965.50 : x
2. Step 2: Convert to fraction form
   56,611,345.50/123,821,965.50 = 123,821,965.50/x
3. Step 3: Cross multiply
   56,611,345.50x = 123,821,965.50 × 123,821,965.50
4. Step 4: Simplify right side
   56,611,345.50x = 15,331,879,140,283,190
5. Step 5: Solve for x
   x = 15,331,879,140,283,190/56,611,345.50
6. Step 6: Final answer
   x = 270,826,969.49