Finding the Third Proportional to 572,990,437 and 1,227,665,061

Step by Step Solution

1. Step 1: Write the proportion equation
   572,990,437 : 1,227,665,061 = 1,227,665,061 : x
2. Step 2: Convert to fraction form
   572,990,437/1,227,665,061 = 1,227,665,061/x
3. Step 3: Cross multiply
   572,990,437x = 1,227,665,061 × 1,227,665,061
4. Step 4: Simplify right side
   572,990,437x = 1,507,161,502,000,133,632
5. Step 5: Solve for x
   x = 1,507,161,502,000,133,632/572,990,437
6. Step 6: Final answer
   x = 2,630,343,204.14