Finding the Third Proportional to 5,905,946 and 8,978,385

Step by Step Solution

1. Step 1: Write the proportion equation
   5,905,946 : 8,978,385 = 8,978,385 : x
2. Step 2: Convert to fraction form
   5,905,946/8,978,385 = 8,978,385/x
3. Step 3: Cross multiply
   5,905,946x = 8,978,385 × 8,978,385
4. Step 4: Simplify right side
   5,905,946x = 80,611,397,208,225
5. Step 5: Solve for x
   x = 80,611,397,208,225/5,905,946
6. Step 6: Final answer
   x = 13,649,193.07