Finding the Third Proportional to 13,773,372 and 20,588,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773,372 : 20,588,086.50 = 20,588,086.50 : x
2. Step 2: Convert to fraction form
   13,773,372/20,588,086.50 = 20,588,086.50/x
3. Step 3: Cross multiply
   13,773,372x = 20,588,086.50 × 20,588,086.50
4. Step 4: Simplify right side
   13,773,372x = 423,869,305,731,482.25
5. Step 5: Solve for x
   x = 423,869,305,731,482.25/13,773,372
6. Step 6: Final answer
   x = 30,774,548.58