Finding the Third Proportional to 68,224,693.50 and 111,392,991

Step by Step Solution

1. Step 1: Write the proportion equation
   68,224,693.50 : 111,392,991 = 111,392,991 : x
2. Step 2: Convert to fraction form
   68,224,693.50/111,392,991 = 111,392,991/x
3. Step 3: Cross multiply
   68,224,693.50x = 111,392,991 × 111,392,991
4. Step 4: Simplify right side
   68,224,693.50x = 12,408,398,443,926,080
5. Step 5: Solve for x
   x = 12,408,398,443,926,080/68,224,693.50
6. Step 6: Final answer
   x = 181,875,473.64