Finding the Third Proportional to 17,938,658.25 and 38,269,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938,658.25 : 38,269,084.50 = 38,269,084.50 : x
2. Step 2: Convert to fraction form
   17,938,658.25/38,269,084.50 = 38,269,084.50/x
3. Step 3: Cross multiply
   17,938,658.25x = 38,269,084.50 × 38,269,084.50
4. Step 4: Simplify right side
   17,938,658.25x = 1,464,522,828,468,140.25
5. Step 5: Solve for x
   x = 1,464,522,828,468,140.25/17,938,658.25
6. Step 6: Final answer
   x = 81,640,600.32