Finding the Third Proportional to 39,629,308 and 55,806,796

Step by Step Solution

1. Step 1: Write the proportion equation
   39,629,308 : 55,806,796 = 55,806,796 : x
2. Step 2: Convert to fraction form
   39,629,308/55,806,796 = 55,806,796/x
3. Step 3: Cross multiply
   39,629,308x = 55,806,796 × 55,806,796
4. Step 4: Simplify right side
   39,629,308x = 3,114,398,479,785,616
5. Step 5: Solve for x
   x = 3,114,398,479,785,616/39,629,308
6. Step 6: Final answer
   x = 78,588,263.00