Finding the Third Proportional to 2,685,706,561 and 5,779,559,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,706,561 : 5,779,559,931.50 = 5,779,559,931.50 : x
2. Step 2: Convert to fraction form
   2,685,706,561/5,779,559,931.50 = 5,779,559,931.50/x
3. Step 3: Cross multiply
   2,685,706,561x = 5,779,559,931.50 × 5,779,559,931.50
4. Step 4: Simplify right side
   2,685,706,561x = 33,403,313,001,800,286,208
5. Step 5: Solve for x
   x = 33,403,313,001,800,286,208/2,685,706,561
6. Step 6: Final answer
   x = 12,437,439,550.12