Finding the Third Proportional to 72,325,803 and 109,161,310.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325,803 : 109,161,310.50 = 109,161,310.50 : x
2. Step 2: Convert to fraction form
   72,325,803/109,161,310.50 = 109,161,310.50/x
3. Step 3: Cross multiply
   72,325,803x = 109,161,310.50 × 109,161,310.50
4. Step 4: Simplify right side
   72,325,803x = 11,916,191,710,077,410
5. Step 5: Solve for x
   x = 11,916,191,710,077,410/72,325,803
6. Step 6: Final answer
   x = 164,757,129.76