Finding the Third Proportional to 3,501,359,410.50 and 7,561,766,438

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501,359,410.50 : 7,561,766,438 = 7,561,766,438 : x
2. Step 2: Convert to fraction form
   3,501,359,410.50/7,561,766,438 = 7,561,766,438/x
3. Step 3: Cross multiply
   3,501,359,410.50x = 7,561,766,438 × 7,561,766,438
4. Step 4: Simplify right side
   3,501,359,410.50x = 57,180,311,662,863,204,352
5. Step 5: Solve for x
   x = 57,180,311,662,863,204,352/3,501,359,410.50
6. Step 6: Final answer
   x = 16,330,888,937.42