Finding the Third Proportional to 12,909,186 and 27,810,090

Step by Step Solution

1. Step 1: Write the proportion equation
   12,909,186 : 27,810,090 = 27,810,090 : x
2. Step 2: Convert to fraction form
   12,909,186/27,810,090 = 27,810,090/x
3. Step 3: Cross multiply
   12,909,186x = 27,810,090 × 27,810,090
4. Step 4: Simplify right side
   12,909,186x = 773,401,105,808,100
5. Step 5: Solve for x
   x = 773,401,105,808,100/12,909,186
6. Step 6: Final answer
   x = 59,910,911.95