Finding the Third Proportional to 151,939,822 and 309,249,296

Step by Step Solution

1. Step 1: Write the proportion equation
   151,939,822 : 309,249,296 = 309,249,296 : x
2. Step 2: Convert to fraction form
   151,939,822/309,249,296 = 309,249,296/x
3. Step 3: Cross multiply
   151,939,822x = 309,249,296 × 309,249,296
4. Step 4: Simplify right side
   151,939,822x = 95,635,127,076,495,616
5. Step 5: Solve for x
   x = 95,635,127,076,495,616/151,939,822
6. Step 6: Final answer
   x = 629,427,662.99