Finding the Third Proportional to 98,182,814 and 213,603,812

Step by Step Solution

1. Step 1: Write the proportion equation
   98,182,814 : 213,603,812 = 213,603,812 : x
2. Step 2: Convert to fraction form
   98,182,814/213,603,812 = 213,603,812/x
3. Step 3: Cross multiply
   98,182,814x = 213,603,812 × 213,603,812
4. Step 4: Simplify right side
   98,182,814x = 45,626,588,500,931,344
5. Step 5: Solve for x
   x = 45,626,588,500,931,344/98,182,814
6. Step 6: Final answer
   x = 464,710,539.88