Finding the Third Proportional to 1,378,098 and 2,012,715

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,098 : 2,012,715 = 2,012,715 : x
2. Step 2: Convert to fraction form
   1,378,098/2,012,715 = 2,012,715/x
3. Step 3: Cross multiply
   1,378,098x = 2,012,715 × 2,012,715
4. Step 4: Simplify right side
   1,378,098x = 4,051,021,671,225
5. Step 5: Solve for x
   x = 4,051,021,671,225/1,378,098
6. Step 6: Final answer
   x = 2,939,574.45