Finding the Third Proportional to 67,390,791 and 103,519,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,390,791 : 103,519,642.50 = 103,519,642.50 : x
2. Step 2: Convert to fraction form
   67,390,791/103,519,642.50 = 103,519,642.50/x
3. Step 3: Cross multiply
   67,390,791x = 103,519,642.50 × 103,519,642.50
4. Step 4: Simplify right side
   67,390,791x = 10,716,316,383,327,806
5. Step 5: Solve for x
   x = 10,716,316,383,327,806/67,390,791
6. Step 6: Final answer
   x = 159,017,518.93