Finding the Third Proportional to 19,811,707.31 and 43,140,578.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,811,707.31 : 43,140,578.06 = 43,140,578.06 : x
2. Step 2: Convert to fraction form
   19,811,707.31/43,140,578.06 = 43,140,578.06/x
3. Step 3: Cross multiply
   19,811,707.31x = 43,140,578.06 × 43,140,578.06
4. Step 4: Simplify right side
   19,811,707.31x = 1,861,109,475,566,656.25
5. Step 5: Solve for x
   x = 1,861,109,475,566,656.25/19,811,707.31
6. Step 6: Final answer
   x = 93,939,883.43