Finding the Third Proportional to 63,862,666 and 139,815,602

Step by Step Solution

1. Step 1: Write the proportion equation
   63,862,666 : 139,815,602 = 139,815,602 : x
2. Step 2: Convert to fraction form
   63,862,666/139,815,602 = 139,815,602/x
3. Step 3: Cross multiply
   63,862,666x = 139,815,602 × 139,815,602
4. Step 4: Simplify right side
   63,862,666x = 19,548,402,562,622,404
5. Step 5: Solve for x
   x = 19,548,402,562,622,404/63,862,666
6. Step 6: Final answer
   x = 306,100,634.17