Finding the Third Proportional to 102,256,431 and 143,830,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   102,256,431 : 143,830,498.50 = 143,830,498.50 : x
2. Step 2: Convert to fraction form
   102,256,431/143,830,498.50 = 143,830,498.50/x
3. Step 3: Cross multiply
   102,256,431x = 143,830,498.50 × 143,830,498.50
4. Step 4: Simplify right side
   102,256,431x = 20,687,212,298,758,504
5. Step 5: Solve for x
   x = 20,687,212,298,758,504/102,256,431
6. Step 6: Final answer
   x = 202,307,200.60