Finding the Third Proportional to 510,411,412 and 791,862,066

Step by Step Solution

1. Step 1: Write the proportion equation
   510,411,412 : 791,862,066 = 791,862,066 : x
2. Step 2: Convert to fraction form
   510,411,412/791,862,066 = 791,862,066/x
3. Step 3: Cross multiply
   510,411,412x = 791,862,066 × 791,862,066
4. Step 4: Simplify right side
   510,411,412x = 627,045,531,569,788,416
5. Step 5: Solve for x
   x = 627,045,531,569,788,416/510,411,412
6. Step 6: Final answer
   x = 1,228,510,015.31