Finding the Third Proportional to 6,404,066 and 9,905,358

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404,066 : 9,905,358 = 9,905,358 : x
2. Step 2: Convert to fraction form
   6,404,066/9,905,358 = 9,905,358/x
3. Step 3: Cross multiply
   6,404,066x = 9,905,358 × 9,905,358
4. Step 4: Simplify right side
   6,404,066x = 98,116,117,108,164
5. Step 5: Solve for x
   x = 98,116,117,108,164/6,404,066
6. Step 6: Final answer
   x = 15,320,909.73