Finding the Third Proportional to 3,920,924 and 8,493,230

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,924 : 8,493,230 = 8,493,230 : x
2. Step 2: Convert to fraction form
   3,920,924/8,493,230 = 8,493,230/x
3. Step 3: Cross multiply
   3,920,924x = 8,493,230 × 8,493,230
4. Step 4: Simplify right side
   3,920,924x = 72,134,955,832,900
5. Step 5: Solve for x
   x = 72,134,955,832,900/3,920,924
6. Step 6: Final answer
   x = 18,397,437.91