Finding the Third Proportional to 1,573,380 and 3,432,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573,380 : 3,432,420 = 3,432,420 : x
2. Step 2: Convert to fraction form
   1,573,380/3,432,420 = 3,432,420/x
3. Step 3: Cross multiply
   1,573,380x = 3,432,420 × 3,432,420
4. Step 4: Simplify right side
   1,573,380x = 11,781,507,056,400
5. Step 5: Solve for x
   x = 11,781,507,056,400/1,573,380
6. Step 6: Final answer
   x = 7,488,023.91