Finding the Third Proportional to 53,178,766.50 and 115,674,972

Step by Step Solution

1. Step 1: Write the proportion equation
   53,178,766.50 : 115,674,972 = 115,674,972 : x
2. Step 2: Convert to fraction form
   53,178,766.50/115,674,972 = 115,674,972/x
3. Step 3: Cross multiply
   53,178,766.50x = 115,674,972 × 115,674,972
4. Step 4: Simplify right side
   53,178,766.50x = 13,380,699,147,200,784
5. Step 5: Solve for x
   x = 13,380,699,147,200,784/53,178,766.50
6. Step 6: Final answer
   x = 251,617,328.27