Finding the Third Proportional to 9,291,792.50 and 19,928,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,291,792.50 : 19,928,361.50 = 19,928,361.50 : x
2. Step 2: Convert to fraction form
   9,291,792.50/19,928,361.50 = 19,928,361.50/x
3. Step 3: Cross multiply
   9,291,792.50x = 19,928,361.50 × 19,928,361.50
4. Step 4: Simplify right side
   9,291,792.50x = 397,139,592,074,682.25
5. Step 5: Solve for x
   x = 397,139,592,074,682.25/9,291,792.50
6. Step 6: Final answer
   x = 42,740,901.94