Finding the Third Proportional to 12,905,734 and 28,087,404

Step by Step Solution

1. Step 1: Write the proportion equation
   12,905,734 : 28,087,404 = 28,087,404 : x
2. Step 2: Convert to fraction form
   12,905,734/28,087,404 = 28,087,404/x
3. Step 3: Cross multiply
   12,905,734x = 28,087,404 × 28,087,404
4. Step 4: Simplify right side
   12,905,734x = 788,902,263,459,216
5. Step 5: Solve for x
   x = 788,902,263,459,216/12,905,734
6. Step 6: Final answer
   x = 61,128,043.04