Finding the Third Proportional to 1,401,740 and 2,130,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,740 : 2,130,310 = 2,130,310 : x
2. Step 2: Convert to fraction form
   1,401,740/2,130,310 = 2,130,310/x
3. Step 3: Cross multiply
   1,401,740x = 2,130,310 × 2,130,310
4. Step 4: Simplify right side
   1,401,740x = 4,538,220,696,100
5. Step 5: Solve for x
   x = 4,538,220,696,100/1,401,740
6. Step 6: Final answer
   x = 3,237,562.38