Finding the Third Proportional to 12,779,423 and 28,113,749

Step by Step Solution

1. Step 1: Write the proportion equation
   12,779,423 : 28,113,749 = 28,113,749 : x
2. Step 2: Convert to fraction form
   12,779,423/28,113,749 = 28,113,749/x
3. Step 3: Cross multiply
   12,779,423x = 28,113,749 × 28,113,749
4. Step 4: Simplify right side
   12,779,423x = 790,382,882,835,001
5. Step 5: Solve for x
   x = 790,382,882,835,001/12,779,423
6. Step 6: Final answer
   x = 61,848,088.36