Finding the Third Proportional to 581,677,477.50 and 1,272,809,931

Step by Step Solution

1. Step 1: Write the proportion equation
   581,677,477.50 : 1,272,809,931 = 1,272,809,931 : x
2. Step 2: Convert to fraction form
   581,677,477.50/1,272,809,931 = 1,272,809,931/x
3. Step 3: Cross multiply
   581,677,477.50x = 1,272,809,931 × 1,272,809,931
4. Step 4: Simplify right side
   581,677,477.50x = 1,620,045,120,452,224,768
5. Step 5: Solve for x
   x = 1,620,045,120,452,224,768/581,677,477.50
6. Step 6: Final answer
   x = 2,785,126,093.27