Finding the Third Proportional to 19,645,291.50 and 41,326,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,645,291.50 : 41,326,816.50 = 41,326,816.50 : x
2. Step 2: Convert to fraction form
   19,645,291.50/41,326,816.50 = 41,326,816.50/x
3. Step 3: Cross multiply
   19,645,291.50x = 41,326,816.50 × 41,326,816.50
4. Step 4: Simplify right side
   19,645,291.50x = 1,707,905,762,024,672.25
5. Step 5: Solve for x
   x = 1,707,905,762,024,672.25/19,645,291.50
6. Step 6: Final answer
   x = 86,937,155.50