Finding the Third Proportional to 65,566,238.25 and 142,998,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,566,238.25 : 142,998,436.50 = 142,998,436.50 : x
2. Step 2: Convert to fraction form
   65,566,238.25/142,998,436.50 = 142,998,436.50/x
3. Step 3: Cross multiply
   65,566,238.25x = 142,998,436.50 × 142,998,436.50
4. Step 4: Simplify right side
   65,566,238.25x = 20,448,552,841,444,532
5. Step 5: Solve for x
   x = 20,448,552,841,444,532/65,566,238.25
6. Step 6: Final answer
   x = 311,876,255.02