Finding the Third Proportional to 12,997,070 and 28,161,404

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,070 : 28,161,404 = 28,161,404 : x
2. Step 2: Convert to fraction form
   12,997,070/28,161,404 = 28,161,404/x
3. Step 3: Cross multiply
   12,997,070x = 28,161,404 × 28,161,404
4. Step 4: Simplify right side
   12,997,070x = 793,064,675,251,216
5. Step 5: Solve for x
   x = 793,064,675,251,216/12,997,070
6. Step 6: Final answer
   x = 61,018,727.70