Finding the Third Proportional to 12,808,174.50 and 19,810,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808,174.50 : 19,810,770.50 = 19,810,770.50 : x
2. Step 2: Convert to fraction form
   12,808,174.50/19,810,770.50 = 19,810,770.50/x
3. Step 3: Cross multiply
   12,808,174.50x = 19,810,770.50 × 19,810,770.50
4. Step 4: Simplify right side
   12,808,174.50x = 392,466,627,803,670.25
5. Step 5: Solve for x
   x = 392,466,627,803,670.25/12,808,174.50
6. Step 6: Final answer
   x = 30,641,886.38