Finding the Third Proportional to 12,977,016,709.50 and 26,641,983,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,977,016,709.50 : 26,641,983,793.50 = 26,641,983,793.50 : x
2. Step 2: Convert to fraction form
   12,977,016,709.50/26,641,983,793.50 = 26,641,983,793.50/x
3. Step 3: Cross multiply
   12,977,016,709.50x = 26,641,983,793.50 × 26,641,983,793.50
4. Step 4: Simplify right side
   12,977,016,709.50x = 709,795,300,453,116,674,048
5. Step 5: Solve for x
   x = 709,795,300,453,116,674,048/12,977,016,709.50
6. Step 6: Final answer
   x = 54,696,338,637.95