Finding the Third Proportional to 59,141,953.50 and 129,633,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,141,953.50 : 129,633,307.50 = 129,633,307.50 : x
2. Step 2: Convert to fraction form
   59,141,953.50/129,633,307.50 = 129,633,307.50/x
3. Step 3: Cross multiply
   59,141,953.50x = 129,633,307.50 × 129,633,307.50
4. Step 4: Simplify right side
   59,141,953.50x = 16,804,794,413,389,556
5. Step 5: Solve for x
   x = 16,804,794,413,389,556/59,141,953.50
6. Step 6: Final answer
   x = 284,143,377.40