Finding the Third Proportional to 85,174,309.69 and 185,295,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,174,309.69 : 185,295,397.50 = 185,295,397.50 : x
2. Step 2: Convert to fraction form
   85,174,309.69/185,295,397.50 = 185,295,397.50/x
3. Step 3: Cross multiply
   85,174,309.69x = 185,295,397.50 × 185,295,397.50
4. Step 4: Simplify right side
   85,174,309.69x = 34,334,384,334,683,008
5. Step 5: Solve for x
   x = 34,334,384,334,683,008/85,174,309.69
6. Step 6: Final answer
   x = 403,107,280.36