Finding the Third Proportional to 63,862,669.69 and 139,815,613.69

Step by Step Solution

1. Step 1: Write the proportion equation
   63,862,669.69 : 139,815,613.69 = 139,815,613.69 : x
2. Step 2: Convert to fraction form
   63,862,669.69/139,815,613.69 = 139,815,613.69/x
3. Step 3: Cross multiply
   63,862,669.69x = 139,815,613.69 × 139,815,613.69
4. Step 4: Simplify right side
   63,862,669.69x = 19,548,405,830,812,236
5. Step 5: Solve for x
   x = 19,548,405,830,812,236/63,862,669.69
6. Step 6: Final answer
   x = 306,100,667.67