Finding the Third Proportional to 39,935,132 and 57,068,340

Step by Step Solution

1. Step 1: Write the proportion equation
   39,935,132 : 57,068,340 = 57,068,340 : x
2. Step 2: Convert to fraction form
   39,935,132/57,068,340 = 57,068,340/x
3. Step 3: Cross multiply
   39,935,132x = 57,068,340 × 57,068,340
4. Step 4: Simplify right side
   39,935,132x = 3,256,795,430,355,600
5. Step 5: Solve for x
   x = 3,256,795,430,355,600/39,935,132
6. Step 6: Final answer
   x = 81,552,138.86