Finding the Third Proportional to 42,036,772 and 90,556,136

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036,772 : 90,556,136 = 90,556,136 : x
2. Step 2: Convert to fraction form
   42,036,772/90,556,136 = 90,556,136/x
3. Step 3: Cross multiply
   42,036,772x = 90,556,136 × 90,556,136
4. Step 4: Simplify right side
   42,036,772x = 8,200,413,767,250,496
5. Step 5: Solve for x
   x = 8,200,413,767,250,496/42,036,772
6. Step 6: Final answer
   x = 195,077,152.15