Finding the Third Proportional to 21,909,168 and 34,103,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,909,168 : 34,103,659.50 = 34,103,659.50 : x
2. Step 2: Convert to fraction form
   21,909,168/34,103,659.50 = 34,103,659.50/x
3. Step 3: Cross multiply
   21,909,168x = 34,103,659.50 × 34,103,659.50
4. Step 4: Simplify right side
   21,909,168x = 1,163,059,591,291,940.25
5. Step 5: Solve for x
   x = 1,163,059,591,291,940.25/21,909,168
6. Step 6: Final answer
   x = 53,085,520.70