Finding the Third Proportional to 28,199,723,152 and 42,187,778,042

Step by Step Solution

1. Step 1: Write the proportion equation
   28,199,723,152 : 42,187,778,042 = 42,187,778,042 : x
2. Step 2: Convert to fraction form
   28,199,723,152/42,187,778,042 = 42,187,778,042/x
3. Step 3: Cross multiply
   28,199,723,152x = 42,187,778,042 × 42,187,778,042
4. Step 4: Simplify right side
   28,199,723,152x = 1,779,808,616,121,057,411,072
5. Step 5: Solve for x
   x = 1,779,808,616,121,057,411,072/28,199,723,152
6. Step 6: Final answer
   x = 63,114,400,326.83