Finding the Third Proportional to 16,521,456 and 35,432,580

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521,456 : 35,432,580 = 35,432,580 : x
2. Step 2: Convert to fraction form
   16,521,456/35,432,580 = 35,432,580/x
3. Step 3: Cross multiply
   16,521,456x = 35,432,580 × 35,432,580
4. Step 4: Simplify right side
   16,521,456x = 1,255,467,725,456,400
5. Step 5: Solve for x
   x = 1,255,467,725,456,400/16,521,456
6. Step 6: Final answer
   x = 75,990,138.25