Finding the Third Proportional to 69,615,000 and 147,528,648

Step by Step Solution

1. Step 1: Write the proportion equation
   69,615,000 : 147,528,648 = 147,528,648 : x
2. Step 2: Convert to fraction form
   69,615,000/147,528,648 = 147,528,648/x
3. Step 3: Cross multiply
   69,615,000x = 147,528,648 × 147,528,648
4. Step 4: Simplify right side
   69,615,000x = 21,764,701,980,707,904
5. Step 5: Solve for x
   x = 21,764,701,980,707,904/69,615,000
6. Step 6: Final answer
   x = 312,643,855.21