Finding the Third Proportional to 42,645,726 and 65,508,513

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,726 : 65,508,513 = 65,508,513 : x
2. Step 2: Convert to fraction form
   42,645,726/65,508,513 = 65,508,513/x
3. Step 3: Cross multiply
   42,645,726x = 65,508,513 × 65,508,513
4. Step 4: Simplify right side
   42,645,726x = 4,291,365,275,471,169
5. Step 5: Solve for x
   x = 4,291,365,275,471,169/42,645,726
6. Step 6: Final answer
   x = 100,628,261.68