Finding the Third Proportional to 4,080,840 and 8,937,328

Step by Step Solution

1. Step 1: Write the proportion equation
   4,080,840 : 8,937,328 = 8,937,328 : x
2. Step 2: Convert to fraction form
   4,080,840/8,937,328 = 8,937,328/x
3. Step 3: Cross multiply
   4,080,840x = 8,937,328 × 8,937,328
4. Step 4: Simplify right side
   4,080,840x = 79,875,831,779,584
5. Step 5: Solve for x
   x = 79,875,831,779,584/4,080,840
6. Step 6: Final answer
   x = 19,573,379.94