Finding the Third Proportional to 371,499,772.50 and 808,372,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,499,772.50 : 808,372,345.50 = 808,372,345.50 : x
2. Step 2: Convert to fraction form
   371,499,772.50/808,372,345.50 = 808,372,345.50/x
3. Step 3: Cross multiply
   371,499,772.50x = 808,372,345.50 × 808,372,345.50
4. Step 4: Simplify right side
   371,499,772.50x = 653,465,848,969,171,328
5. Step 5: Solve for x
   x = 653,465,848,969,171,328/371,499,772.50
6. Step 6: Final answer
   x = 1,758,993,941.16