Finding the Third Proportional to 493,608,620,911.50 and 695,109,709,674

Step by Step Solution

1. Step 1: Write the proportion equation
   493,608,620,911.50 : 695,109,709,674 = 695,109,709,674 : x
2. Step 2: Convert to fraction form
   493,608,620,911.50/695,109,709,674 = 695,109,709,674/x
3. Step 3: Cross multiply
   493,608,620,911.50x = 695,109,709,674 × 695,109,709,674
4. Step 4: Simplify right side
   493,608,620,911.50x = 483,177,508,483,072,589,299,712
5. Step 5: Solve for x
   x = 483,177,508,483,072,589,299,712/493,608,620,911.50
6. Step 6: Final answer
   x = 978,867,645,364.12