Finding the Third Proportional to 30,261,413 and 64,773,706

Step by Step Solution

1. Step 1: Write the proportion equation
   30,261,413 : 64,773,706 = 64,773,706 : x
2. Step 2: Convert to fraction form
   30,261,413/64,773,706 = 64,773,706/x
3. Step 3: Cross multiply
   30,261,413x = 64,773,706 × 64,773,706
4. Step 4: Simplify right side
   30,261,413x = 4,195,632,988,974,436
5. Step 5: Solve for x
   x = 4,195,632,988,974,436/30,261,413
6. Step 6: Final answer
   x = 138,646,301.45