Finding the Third Proportional to 1,807,140 and 3,929,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,140 : 3,929,064 = 3,929,064 : x
2. Step 2: Convert to fraction form
   1,807,140/3,929,064 = 3,929,064/x
3. Step 3: Cross multiply
   1,807,140x = 3,929,064 × 3,929,064
4. Step 4: Simplify right side
   1,807,140x = 15,437,543,916,096
5. Step 5: Solve for x
   x = 15,437,543,916,096/1,807,140
6. Step 6: Final answer
   x = 8,542,527.93