Finding the Third Proportional to 12,379,747,828.50 and 27,191,523,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379,747,828.50 : 27,191,523,856.50 = 27,191,523,856.50 : x
2. Step 2: Convert to fraction form
   12,379,747,828.50/27,191,523,856.50 = 27,191,523,856.50/x
3. Step 3: Cross multiply
   12,379,747,828.50x = 27,191,523,856.50 × 27,191,523,856.50
4. Step 4: Simplify right side
   12,379,747,828.50x = 739,378,969,638,608,568,320
5. Step 5: Solve for x
   x = 739,378,969,638,608,568,320/12,379,747,828.50
6. Step 6: Final answer
   x = 59,724,881,304.65