Finding the Third Proportional to 12,997,107 and 28,161,475

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,107 : 28,161,475 = 28,161,475 : x
2. Step 2: Convert to fraction form
   12,997,107/28,161,475 = 28,161,475/x
3. Step 3: Cross multiply
   12,997,107x = 28,161,475 × 28,161,475
4. Step 4: Simplify right side
   12,997,107x = 793,068,674,175,625
5. Step 5: Solve for x
   x = 793,068,674,175,625/12,997,107
6. Step 6: Final answer
   x = 61,018,861.67