Finding the Third Proportional to 16,021,309.50 and 34,431,336

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021,309.50 : 34,431,336 = 34,431,336 : x
2. Step 2: Convert to fraction form
   16,021,309.50/34,431,336 = 34,431,336/x
3. Step 3: Cross multiply
   16,021,309.50x = 34,431,336 × 34,431,336
4. Step 4: Simplify right side
   16,021,309.50x = 1,185,516,898,744,896
5. Step 5: Solve for x
   x = 1,185,516,898,744,896/16,021,309.50
6. Step 6: Final answer
   x = 73,996,254.72