Finding the Third Proportional to 39,081,969.75 and 83,531,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,081,969.75 : 83,531,111.25 = 83,531,111.25 : x
2. Step 2: Convert to fraction form
   39,081,969.75/83,531,111.25 = 83,531,111.25/x
3. Step 3: Cross multiply
   39,081,969.75x = 83,531,111.25 × 83,531,111.25
4. Step 4: Simplify right side
   39,081,969.75x = 6,977,446,546,659,877
5. Step 5: Solve for x
   x = 6,977,446,546,659,877/39,081,969.75
6. Step 6: Final answer
   x = 178,533,645.85