Finding the Third Proportional to 39,629,124 and 55,806,516

Step by Step Solution

1. Step 1: Write the proportion equation
   39,629,124 : 55,806,516 = 55,806,516 : x
2. Step 2: Convert to fraction form
   39,629,124/55,806,516 = 55,806,516/x
3. Step 3: Cross multiply
   39,629,124x = 55,806,516 × 55,806,516
4. Step 4: Simplify right side
   39,629,124x = 3,114,367,228,058,256
5. Step 5: Solve for x
   x = 3,114,367,228,058,256/39,629,124
6. Step 6: Final answer
   x = 78,587,839.29