Finding the Third Proportional to 39,902,494 and 60,139,150

Step by Step Solution

1. Step 1: Write the proportion equation
   39,902,494 : 60,139,150 = 60,139,150 : x
2. Step 2: Convert to fraction form
   39,902,494/60,139,150 = 60,139,150/x
3. Step 3: Cross multiply
   39,902,494x = 60,139,150 × 60,139,150
4. Step 4: Simplify right side
   39,902,494x = 3,616,717,362,722,500
5. Step 5: Solve for x
   x = 3,616,717,362,722,500/39,902,494
6. Step 6: Final answer
   x = 90,638,879.93