Finding the Third Proportional to 12,957,410 and 29,997,221

Step by Step Solution

1. Step 1: Write the proportion equation
   12,957,410 : 29,997,221 = 29,997,221 : x
2. Step 2: Convert to fraction form
   12,957,410/29,997,221 = 29,997,221/x
3. Step 3: Cross multiply
   12,957,410x = 29,997,221 × 29,997,221
4. Step 4: Simplify right side
   12,957,410x = 899,833,267,722,841
5. Step 5: Solve for x
   x = 899,833,267,722,841/12,957,410
6. Step 6: Final answer
   x = 69,445,457.67