Finding the Third Proportional to 808,685,971.50 and 1,155,633,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   808,685,971.50 : 1,155,633,328.50 = 1,155,633,328.50 : x
2. Step 2: Convert to fraction form
   808,685,971.50/1,155,633,328.50 = 1,155,633,328.50/x
3. Step 3: Cross multiply
   808,685,971.50x = 1,155,633,328.50 × 1,155,633,328.50
4. Step 4: Simplify right side
   808,685,971.50x = 1,335,488,389,939,988,992
5. Step 5: Solve for x
   x = 1,335,488,389,939,988,992/808,685,971.50
6. Step 6: Final answer
   x = 1,651,430,143.47