Finding the Third Proportional to 139,314,819 and 325,323,547.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,314,819 : 325,323,547.50 = 325,323,547.50 : x
2. Step 2: Convert to fraction form
   139,314,819/325,323,547.50 = 325,323,547.50/x
3. Step 3: Cross multiply
   139,314,819x = 325,323,547.50 × 325,323,547.50
4. Step 4: Simplify right side
   139,314,819x = 105,835,410,557,984,752
5. Step 5: Solve for x
   x = 105,835,410,557,984,752/139,314,819
6. Step 6: Final answer
   x = 759,685,231.75