Finding the Third Proportional to 113,978,758.50 and 248,860,842.75

Step by Step Solution

1. Step 1: Write the proportion equation
   113,978,758.50 : 248,860,842.75 = 248,860,842.75 : x
2. Step 2: Convert to fraction form
   113,978,758.50/248,860,842.75 = 248,860,842.75/x
3. Step 3: Cross multiply
   113,978,758.50x = 248,860,842.75 × 248,860,842.75
4. Step 4: Simplify right side
   113,978,758.50x = 61,931,719,054,240,224
5. Step 5: Solve for x
   x = 61,931,719,054,240,224/113,978,758.50
6. Step 6: Final answer
   x = 543,361,937.52