Finding the Third Proportional to 39,933,412 and 58,402,518

Step by Step Solution

1. Step 1: Write the proportion equation
   39,933,412 : 58,402,518 = 58,402,518 : x
2. Step 2: Convert to fraction form
   39,933,412/58,402,518 = 58,402,518/x
3. Step 3: Cross multiply
   39,933,412x = 58,402,518 × 58,402,518
4. Step 4: Simplify right side
   39,933,412x = 3,410,854,108,740,324
5. Step 5: Solve for x
   x = 3,410,854,108,740,324/39,933,412
6. Step 6: Final answer
   x = 85,413,540.64