Finding the Third Proportional to 19,693,503 and 31,642,185

Step by Step Solution

1. Step 1: Write the proportion equation
   19,693,503 : 31,642,185 = 31,642,185 : x
2. Step 2: Convert to fraction form
   19,693,503/31,642,185 = 31,642,185/x
3. Step 3: Cross multiply
   19,693,503x = 31,642,185 × 31,642,185
4. Step 4: Simplify right side
   19,693,503x = 1,001,227,871,574,225
5. Step 5: Solve for x
   x = 1,001,227,871,574,225/19,693,503
6. Step 6: Final answer
   x = 50,840,516.87