Finding the Third Proportional to 7,719,898 and 16,499,978

Step by Step Solution

1. Step 1: Write the proportion equation
   7,719,898 : 16,499,978 = 16,499,978 : x
2. Step 2: Convert to fraction form
   7,719,898/16,499,978 = 16,499,978/x
3. Step 3: Cross multiply
   7,719,898x = 16,499,978 × 16,499,978
4. Step 4: Simplify right side
   7,719,898x = 272,249,274,000,484
5. Step 5: Solve for x
   x = 272,249,274,000,484/7,719,898
6. Step 6: Final answer
   x = 35,265,915.95