Finding the Third Proportional to 140,627,268 and 308,483,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,627,268 : 308,483,779.50 = 308,483,779.50 : x
2. Step 2: Convert to fraction form
   140,627,268/308,483,779.50 = 308,483,779.50/x
3. Step 3: Cross multiply
   140,627,268x = 308,483,779.50 × 308,483,779.50
4. Step 4: Simplify right side
   140,627,268x = 95,162,242,214,604,624
5. Step 5: Solve for x
   x = 95,162,242,214,604,624/140,627,268
6. Step 6: Final answer
   x = 676,698,364.18