Finding the Third Proportional to 222,886,151,259 and 340,811,569,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,886,151,259 : 340,811,569,786.50 = 340,811,569,786.50 : x
2. Step 2: Convert to fraction form
   222,886,151,259/340,811,569,786.50 = 340,811,569,786.50/x
3. Step 3: Cross multiply
   222,886,151,259x = 340,811,569,786.50 × 340,811,569,786.50
4. Step 4: Simplify right side
   222,886,151,259x = 116,152,526,100,338,359,402,496
5. Step 5: Solve for x
   x = 116,152,526,100,338,359,402,496/222,886,151,259
6. Step 6: Final answer
   x = 521,129,399,221.25