Finding the Third Proportional to 30,631,230 and 65,317,158

Step by Step Solution

1. Step 1: Write the proportion equation
   30,631,230 : 65,317,158 = 65,317,158 : x
2. Step 2: Convert to fraction form
   30,631,230/65,317,158 = 65,317,158/x
3. Step 3: Cross multiply
   30,631,230x = 65,317,158 × 65,317,158
4. Step 4: Simplify right side
   30,631,230x = 4,266,331,129,196,964
5. Step 5: Solve for x
   x = 4,266,331,129,196,964/30,631,230
6. Step 6: Final answer
   x = 139,280,437.95