Finding the Third Proportional to 48,789,488.50 and 65,043,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,789,488.50 : 65,043,813.50 = 65,043,813.50 : x
2. Step 2: Convert to fraction form
   48,789,488.50/65,043,813.50 = 65,043,813.50/x
3. Step 3: Cross multiply
   48,789,488.50x = 65,043,813.50 × 65,043,813.50
4. Step 4: Simplify right side
   48,789,488.50x = 4,230,697,674,622,782
5. Step 5: Solve for x
   x = 4,230,697,674,622,782/48,789,488.50
6. Step 6: Final answer
   x = 86,713,302.49