Finding the Third Proportional to 16,402,968 and 35,893,980

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402,968 : 35,893,980 = 35,893,980 : x
2. Step 2: Convert to fraction form
   16,402,968/35,893,980 = 35,893,980/x
3. Step 3: Cross multiply
   16,402,968x = 35,893,980 × 35,893,980
4. Step 4: Simplify right side
   16,402,968x = 1,288,377,800,240,400
5. Step 5: Solve for x
   x = 1,288,377,800,240,400/16,402,968
6. Step 6: Final answer
   x = 78,545,407.16