Finding the Third Proportional to 3,501,359,478 and 7,561,766,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501,359,478 : 7,561,766,587.50 = 7,561,766,587.50 : x
2. Step 2: Convert to fraction form
   3,501,359,478/7,561,766,587.50 = 7,561,766,587.50/x
3. Step 3: Cross multiply
   3,501,359,478x = 7,561,766,587.50 × 7,561,766,587.50
4. Step 4: Simplify right side
   3,501,359,478x = 57,180,313,923,831,398,400
5. Step 5: Solve for x
   x = 57,180,313,923,831,398,400/3,501,359,478
6. Step 6: Final answer
   x = 16,330,889,268.33