Finding the Third Proportional to 5,141,736,453 and 10,428,046,830.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,141,736,453 : 10,428,046,830.75 = 10,428,046,830.75 : x
2. Step 2: Convert to fraction form
   5,141,736,453/10,428,046,830.75 = 10,428,046,830.75/x
3. Step 3: Cross multiply
   5,141,736,453x = 10,428,046,830.75 × 10,428,046,830.75
4. Step 4: Simplify right side
   5,141,736,453x = 108,744,160,704,315,113,472
5. Step 5: Solve for x
   x = 108,744,160,704,315,113,472/5,141,736,453
6. Step 6: Final answer
   x = 21,149,306,600.67