Finding the Third Proportional to 19,740,881.25 and 42,603,068.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,740,881.25 : 42,603,068.25 = 42,603,068.25 : x
2. Step 2: Convert to fraction form
   19,740,881.25/42,603,068.25 = 42,603,068.25/x
3. Step 3: Cross multiply
   19,740,881.25x = 42,603,068.25 × 42,603,068.25
4. Step 4: Simplify right side
   19,740,881.25x = 1,815,021,424,314,158
5. Step 5: Solve for x
   x = 1,815,021,424,314,158/19,740,881.25
6. Step 6: Final answer
   x = 91,942,269.51