Finding the Third Proportional to 83,916,235.50 and 129,601,003

Step by Step Solution

1. Step 1: Write the proportion equation
   83,916,235.50 : 129,601,003 = 129,601,003 : x
2. Step 2: Convert to fraction form
   83,916,235.50/129,601,003 = 129,601,003/x
3. Step 3: Cross multiply
   83,916,235.50x = 129,601,003 × 129,601,003
4. Step 4: Simplify right side
   83,916,235.50x = 16,796,419,978,606,008
5. Step 5: Solve for x
   x = 16,796,419,978,606,008/83,916,235.50
6. Step 6: Final answer
   x = 200,156,976.52