Finding the Third Proportional to 342,072,034 and 746,868,686

Step by Step Solution

1. Step 1: Write the proportion equation
   342,072,034 : 746,868,686 = 746,868,686 : x
2. Step 2: Convert to fraction form
   342,072,034/746,868,686 = 746,868,686/x
3. Step 3: Cross multiply
   342,072,034x = 746,868,686 × 746,868,686
4. Step 4: Simplify right side
   342,072,034x = 557,812,834,127,366,592
5. Step 5: Solve for x
   x = 557,812,834,127,366,592/342,072,034
6. Step 6: Final answer
   x = 1,630,688,213.84