Finding the Third Proportional to 148,751,113.50 and 321,403,950

Step by Step Solution

1. Step 1: Write the proportion equation
   148,751,113.50 : 321,403,950 = 321,403,950 : x
2. Step 2: Convert to fraction form
   148,751,113.50/321,403,950 = 321,403,950/x
3. Step 3: Cross multiply
   148,751,113.50x = 321,403,950 × 321,403,950
4. Step 4: Simplify right side
   148,751,113.50x = 103,300,499,075,602,496
5. Step 5: Solve for x
   x = 103,300,499,075,602,496/148,751,113.50
6. Step 6: Final answer
   x = 694,451,938.17