Finding the Third Proportional to 359,402,636 and 513,594,684

Step by Step Solution

1. Step 1: Write the proportion equation
   359,402,636 : 513,594,684 = 513,594,684 : x
2. Step 2: Convert to fraction form
   359,402,636/513,594,684 = 513,594,684/x
3. Step 3: Cross multiply
   359,402,636x = 513,594,684 × 513,594,684
4. Step 4: Simplify right side
   359,402,636x = 263,779,499,433,059,840
5. Step 5: Solve for x
   x = 263,779,499,433,059,840/359,402,636
6. Step 6: Final answer
   x = 733,938,688.84