Finding the Third Proportional to 9,274,851 and 12,816,090

Step by Step Solution

1. Step 1: Write the proportion equation
   9,274,851 : 12,816,090 = 12,816,090 : x
2. Step 2: Convert to fraction form
   9,274,851/12,816,090 = 12,816,090/x
3. Step 3: Cross multiply
   9,274,851x = 12,816,090 × 12,816,090
4. Step 4: Simplify right side
   9,274,851x = 164,252,162,888,100
5. Step 5: Solve for x
   x = 164,252,162,888,100/9,274,851
6. Step 6: Final answer
   x = 17,709,412.57