Finding the Third Proportional to 938,686.50 and 2,018,890

Step by Step Solution

1. Step 1: Write the proportion equation
   938,686.50 : 2,018,890 = 2,018,890 : x
2. Step 2: Convert to fraction form
   938,686.50/2,018,890 = 2,018,890/x
3. Step 3: Cross multiply
   938,686.50x = 2,018,890 × 2,018,890
4. Step 4: Simplify right side
   938,686.50x = 4,075,916,832,100
5. Step 5: Solve for x
   x = 4,075,916,832,100/938,686.50
6. Step 6: Final answer
   x = 4,342,149.20