Finding the Third Proportional to 1,237,430 and 2,621,300

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,430 : 2,621,300 = 2,621,300 : x
2. Step 2: Convert to fraction form
   1,237,430/2,621,300 = 2,621,300/x
3. Step 3: Cross multiply
   1,237,430x = 2,621,300 × 2,621,300
4. Step 4: Simplify right side
   1,237,430x = 6,871,213,690,000
5. Step 5: Solve for x
   x = 6,871,213,690,000/1,237,430
6. Step 6: Final answer
   x = 5,552,810.01