Finding the Third Proportional to 12,905,707 and 28,087,353

Step by Step Solution

1. Step 1: Write the proportion equation
   12,905,707 : 28,087,353 = 28,087,353 : x
2. Step 2: Convert to fraction form
   12,905,707/28,087,353 = 28,087,353/x
3. Step 3: Cross multiply
   12,905,707x = 28,087,353 × 28,087,353
4. Step 4: Simplify right side
   12,905,707x = 788,899,398,546,609
5. Step 5: Solve for x
   x = 788,899,398,546,609/12,905,707
6. Step 6: Final answer
   x = 61,127,948.94