Finding the Third Proportional to 1,430,352 and 2,978,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,352 : 2,978,280 = 2,978,280 : x
2. Step 2: Convert to fraction form
   1,430,352/2,978,280 = 2,978,280/x
3. Step 3: Cross multiply
   1,430,352x = 2,978,280 × 2,978,280
4. Step 4: Simplify right side
   1,430,352x = 8,870,151,758,400
5. Step 5: Solve for x
   x = 8,870,151,758,400/1,430,352
6. Step 6: Final answer
   x = 6,201,376.83