Finding the Third Proportional to 65,877,415.50 and 143,095,398

Step by Step Solution

1. Step 1: Write the proportion equation
   65,877,415.50 : 143,095,398 = 143,095,398 : x
2. Step 2: Convert to fraction form
   65,877,415.50/143,095,398 = 143,095,398/x
3. Step 3: Cross multiply
   65,877,415.50x = 143,095,398 × 143,095,398
4. Step 4: Simplify right side
   65,877,415.50x = 20,476,292,928,778,404
5. Step 5: Solve for x
   x = 20,476,292,928,778,404/65,877,415.50
6. Step 6: Final answer
   x = 310,824,169.00