Finding the Third Proportional to 16,269,479 and 21,592,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,269,479 : 21,592,009.50 = 21,592,009.50 : x
2. Step 2: Convert to fraction form
   16,269,479/21,592,009.50 = 21,592,009.50/x
3. Step 3: Cross multiply
   16,269,479x = 21,592,009.50 × 21,592,009.50
4. Step 4: Simplify right side
   16,269,479x = 466,214,874,248,090.25
5. Step 5: Solve for x
   x = 466,214,874,248,090.25/16,269,479
6. Step 6: Final answer
   x = 28,655,796.18