Finding the Third Proportional to 938,691 and 2,018,900

Step by Step Solution

1. Step 1: Write the proportion equation
   938,691 : 2,018,900 = 2,018,900 : x
2. Step 2: Convert to fraction form
   938,691/2,018,900 = 2,018,900/x
3. Step 3: Cross multiply
   938,691x = 2,018,900 × 2,018,900
4. Step 4: Simplify right side
   938,691x = 4,075,957,210,000
5. Step 5: Solve for x
   x = 4,075,957,210,000/938,691
6. Step 6: Final answer
   x = 4,342,171.40