Finding the Third Proportional to 1,688,042,139 and 3,599,051,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,042,139 : 3,599,051,574 = 3,599,051,574 : x
2. Step 2: Convert to fraction form
   1,688,042,139/3,599,051,574 = 3,599,051,574/x
3. Step 3: Cross multiply
   1,688,042,139x = 3,599,051,574 × 3,599,051,574
4. Step 4: Simplify right side
   1,688,042,139x = 12,953,172,232,311,877,632
5. Step 5: Solve for x
   x = 12,953,172,232,311,877,632/1,688,042,139
6. Step 6: Final answer
   x = 7,673,488,672.50